| Monday, January 28th, 1952 | | Oshawa Carriages: RF Alan Hill was injured while playing football. The Diagnosis: elbow soreness. He's expected to miss about one week. |
| Wednesday, December 19th, 1951 | | Guelph Royals: Gary Wood has suffered a setback in his recovery. He is not expected to recover for another 6 months. |
| Wednesday, September 5th, 1951 | | Welland Bridges: Cisco Pérez has suffered a setback in his recovery. He is not expected to recover for another 3-4 weeks. |
| Sunday, September 2nd, 1951 | | Ajax Cruisers: SS Pancho Flores is ill. The Diagnosis: viral infection. He's expected to miss about 3 days. |
| Sunday, August 26th, 1951 | | Kitchener Marshalls: SP Travis Moore is ill. The Diagnosis: flu. This is a day-to-day injury expected to last 2 days. | | Ajax Cruisers: SP José García was injured while pitching. The Diagnosis: shoulder soreness. This is a day-to-day injury expected to last 5 days. | | Peterborough Locks: CF Ray Sours was injured on a defensive play. The Diagnosis: shoulder soreness. He's expected to miss about 2 weeks. |
| Saturday, August 25th, 1951 | | Keswick Ice Fishers: 1B Alejandro Pérez was injured being hit by a pitch. The Diagnosis: thumb contusion. He's expected to miss about 3 days. | | Guelph Royals: LF Tim Tynes was injured in a collision at a base. The Diagnosis: oblique strain. He's expected to miss about 5 days. |
| Thursday, August 23rd, 1951 | | Vaughan Millers: 1B Bo-young Park was injured in a collision at a base. The Diagnosis: bone bruise (wrist). He's expected to miss about 3 weeks. | | Port Credit Traders: CF Félix Rodríguez was injured while running the bases. The Diagnosis: fractured hand. He's expected to miss about 6 weeks. |
| Wednesday, August 22nd, 1951 | | Guelph Royals: MR Glenn Sutton was injured while pitching. The Diagnosis: acute elbow soreness. He's expected to miss about 2-3 months. | | Hamilton Steelers: SS Vince Etheridge was injured while throwing the ball. The Diagnosis: sprained ankle. He's expected to miss about 3 weeks. | | Welland Bridges: CF Ryutaro Takudo was injured in a collision at a base. The Diagnosis: back stiffness. This is a day-to-day injury expected to last 1-2 weeks. |
| Tuesday, August 21st, 1951 | | Uxbridge Celts: SS António Darias was injured while throwing the ball. The Diagnosis: mild calf strain. This is a day-to-day injury expected to last 1 day. | | Brampton Roses: RF Jack Hull was injured on a defensive play. The Diagnosis: back spasms. He's expected to miss about one week. | | Guelph Royals: 1B William Petty was injured while running the bases. The Diagnosis: sprained ankle. He's expected to miss about 5 weeks. |
| Monday, August 20th, 1951 | | Pickering Lakers: SS Mike Smith was injured in a collision at a base. The Diagnosis: torn thumb ligament. He's expected to miss about 4 weeks. |
| Saturday, August 18th, 1951 | | Oshawa Carriages: LF Tim Clayton was injured on a defensive play. The Diagnosis: shoulder tendinitis. He's expected to miss about 5 weeks. | | Keswick Ice Fishers: 2B Mike Stewart was injured while running the bases. The Diagnosis: knee soreness. He's expected to miss about 1 day. |
| Friday, August 17th, 1951 | | Thornhill Blue Sox: RF Charlie Reid was injured on a defensive play. The Diagnosis: back tightness. He's expected to miss about 1-2 weeks. | | Pickering Lakers: RF Pierre Carrière was injured while running the bases. The Diagnosis: hamstring tendinitis. He's expected to miss about 3-4 weeks. | | Hamilton Steelers: SS Howard Reid was injured in a collision at a base. The Diagnosis: torn thumb ligament. He's expected to miss about 3 weeks. | | Welland Bridges: 1B Cisco Pérez was injured while running the bases. The Diagnosis: hip strain. He's expected to miss about 4-5 weeks. |
| Monday, August 13th, 1951 | | Brampton Roses: SP Rafael Ramírez was injured while pitching. The Diagnosis: dead arm. He's expected to miss about 5 days. |
| Sunday, August 12th, 1951 | | Keswick Ice Fishers: CF Nobuhito Umaba is ill. The Diagnosis: flu-like symptoms. This is a day-to-day injury expected to last 2 days. | | Uxbridge Celts: 3B Oscar Smith was injured while running the bases. The Diagnosis: mild calf strain. This is a day-to-day injury expected to last 5 days. | | Keswick Ice Fishers: 2B Mike Stewart was injured while throwing the ball. The Diagnosis: forearm stiffness. He's expected to miss about 4 days. |
| Saturday, August 11th, 1951 | | Peterborough Locks: LF Joe LaChance was injured while throwing the ball. The Diagnosis: herniated disc (back). He's expected to miss about 2 weeks. |
| Thursday, August 9th, 1951 | | Oshawa Carriages: SP Felipe Silva was injured while pitching. The Diagnosis: back spasms. This is a day-to-day injury expected to last one week. | | Keswick Ice Fishers: 1B Ralph Baxter was injured while running the bases. The Diagnosis: sprained knee. He's expected to miss about 7 weeks. |
| Wednesday, August 8th, 1951 | | Oshawa Carriages: SP David Hatfield was injured while pitching. The Diagnosis: sore elbow. This is a day-to-day injury expected to last one week. |
| Monday, August 6th, 1951 | | Guelph Royals: Guillermo Ramos has suffered a setback in his recovery. He is not expected to recover for another 1-2 weeks. |
| Sunday, August 5th, 1951 | | Vaughan Millers: LF Jared Walls was injured while running the bases. The Diagnosis: bruised finger. This is a day-to-day injury expected to last 2 days. |
| Saturday, August 4th, 1951 | | Hamilton Steelers: CF Will Brown was injured while throwing the ball. The Diagnosis: oblique strain. He's expected to miss about 5-6 weeks. |
| Thursday, August 2nd, 1951 | | Brampton Roses: LF Edwin Gray was injured on a defensive play. The Diagnosis: partially torn labrum. He's expected to miss about 5-6 weeks. |
| Wednesday, August 1st, 1951 | | Guelph Royals: CL Eugene Gould was injured while pitching. The Diagnosis: mild oblique strain. This is a day-to-day injury expected to last 1 day. |
| Tuesday, July 31st, 1951 | | Thornhill Blue Sox: SP Axel Dunn was injured while pitching. The Diagnosis: sore thumb. This is a day-to-day injury expected to last 2 days. | | Pickering Lakers: RF Roy Dempsey was injured while running the bases. The Diagnosis: hamstring spasms. This is a day-to-day injury expected to last 2 days. |
| Sunday, July 29th, 1951 | | Guelph Royals: LF Tim Tynes was injured while running the bases. The Diagnosis: hamstring tightness. This is a day-to-day injury expected to last 3 days. | | Brantford Bells: SP Juan Lugo was injured while pitching. The Diagnosis: shoulder soreness. This is a day-to-day injury expected to last one week. | | Port Credit Traders: SP Fernando Gutiérrez was injured while pitching. The Diagnosis: acute elbow soreness. He's expected to miss about 2 months. |
| Friday, July 27th, 1951 | | Keswick Ice Fishers: LF Carlos Gómez was injured on a defensive play. The Diagnosis: back tightness. This is a day-to-day injury expected to last 1 day. | | Brantford Bells: 1B Eddy Carney was injured while running the bases. The Diagnosis: ruptured Achilles tendon. He's expected to miss about 8 months. | | Port Credit Traders: C Ernest Dickerson was injured in a collision at a base. The Diagnosis: bone bruise (knee). He's expected to miss about 3 months. |
| Thursday, July 26th, 1951 | | Pickering Lakers: RF Julián Ordóñez was injured in a collision at a base. The Diagnosis: torn meniscus (knee). He's expected to miss about 5-6 weeks. | | Hamilton Steelers: SP Andy Chambers was injured while pitching. The Diagnosis: shoulder inflammation. He's expected to miss about 4 months. |
| Tuesday, July 24th, 1951 | | Pickering Lakers: C Nelson Allen was injured while throwing the ball. The Diagnosis: sore back. This is a day-to-day injury expected to last 4 days. | | Welland Bridges: CF Ryutaro Takudo was injured on a defensive play. The Diagnosis: oblique strain. He's expected to miss about 4 weeks. |
| Monday, July 23rd, 1951 | | Guelph Royals: RF Guillermo Ramos was injured in a collision at a base. The Diagnosis: sprained ankle. He's expected to miss about 3 weeks. | | Port Credit Traders: SS Miguel Valle was injured on a defensive play. The Diagnosis: shoulder soreness. This is a day-to-day injury expected to last 4 days. |
| Sunday, July 22nd, 1951 | | Hamilton Steelers: 1B Ed Burke was injured while running the bases. The Diagnosis: oblique strain. He's expected to miss about 6 weeks. |
| Saturday, July 21st, 1951 | | Vaughan Millers: CF Tsukasa Hayashi was injured when he heroically rescued neighbors from a house fire. The Diagnosis: quadriceps strain. He's expected to miss about 5-6 weeks. |
| Friday, July 20th, 1951 | | Uxbridge Celts: SS António Darias was injured while running the bases. The Diagnosis: back spasms. He's expected to miss about 1-2 weeks. | | Hamilton Steelers: SP Andy Chambers was injured while pitching. The Diagnosis: sprained ankle. This is a day-to-day injury expected to last 2 weeks. |
| Thursday, July 19th, 1951 | | Thornhill Blue Sox: SS Cal Wright was injured while throwing the ball. The Diagnosis: strained hamstring. He's expected to miss about 2-3 weeks. | | Thornhill Blue Sox: RF Charlie Reid was injured in a collision at a base. The Diagnosis: shoulder soreness. He's expected to miss about 3-4 weeks. |
| Wednesday, July 18th, 1951 | | Peterborough Locks: CF Joe LaChance was injured while throwing the ball. The Diagnosis: finger blister. He's expected to miss about 2-3 weeks. |
| Tuesday, July 17th, 1951 | | Brampton Roses: SP José Paz is ill. The Diagnosis: conjunctivitis. This is a day-to-day injury expected to last 3 days. | | Welland Bridges: RF Kenneth Barnes was injured on a defensive play. The Diagnosis: strained rib cage muscle. He's expected to miss about one week. |
| Sunday, July 15th, 1951 | | Thornhill Blue Sox: LF Bobby Martin was injured in a collision at a base. The Diagnosis: sprained finger. He's expected to miss about 2-3 weeks. |
| Friday, July 13th, 1951 | | Vaughan Millers: MR Brian O'Reilly was injured while pitching. The Diagnosis: torn flexor tendon (elbow). He's expected to miss about 14 months. | | Hamilton Steelers: SP Tommy Scheel was injured while pitching. The Diagnosis: sore thumb. This is a day-to-day injury expected to last 2 days. |
| Thursday, July 12th, 1951 | | Brantford Bells: CL Gordon Larcombe was injured while pitching. The Diagnosis: sore shoulder. He's expected to miss about 4 days. |
| Sunday, July 8th, 1951 | | Oshawa Carriages: LF Tim Clayton was injured on a defensive play. The Diagnosis: hamstring strain. He's expected to miss about 3-4 weeks. | | Guelph Royals: 2B Cássio Munos was injured while running the bases. The Diagnosis: strained groin. He's expected to miss about 6 weeks. |
| Thursday, July 5th, 1951 | | Welland Bridges: C Walt Lloyd was injured while running the bases. The Diagnosis: back stiffness. This is a day-to-day injury expected to last one week. |
| Wednesday, July 4th, 1951 | | Vaughan Millers: 2B Gaël Lessard was injured while throwing the ball. The Diagnosis: mild oblique strain. This is a day-to-day injury expected to last 5 days. | | Welland Bridges: 1B Scott Fields was injured on a defensive play. The Diagnosis: post-concussion syndrome. He's expected to miss about 4 months. | | Welland Bridges: 3B Howard Barry was injured while throwing the ball. The Diagnosis: sore ankle. This is a day-to-day injury expected to last 2 days. |
| Tuesday, July 3rd, 1951 | | Oshawa Carriages: 1B Bailey Thomas was injured while punching a wall during a fight with his girlfriend. The Diagnosis: undisclosed injury. He's expected to miss about 2 weeks. | | Brantford Bells: Steve Moody has suffered a setback in his recovery from injury. He has elected to retire rather than continue his rehabilitation. This is a CAREER ENDING injury! | | Vaughan Millers: CF Tommy Wallace was injured while running the bases. The Diagnosis: hip strain. He's expected to miss about 6 weeks. | | Vaughan Millers: SP Jeremy Seccombe was injured while pitching. The Diagnosis: sore thumb. This is a day-to-day injury expected to last 2 days. |
| Sunday, July 1st, 1951 | | Pickering Lakers: Dan Davis has suffered a setback in his recovery. He is not expected to recover for another 1-2 weeks. | | Guelph Royals: RF César García was injured on a defensive play. The Diagnosis: sprained ankle. He's expected to miss about 2 weeks. |
| Saturday, June 30th, 1951 | | Uxbridge Celts: SP Les Strong was injured while pitching. The Diagnosis: wrist soreness. This is a day-to-day injury expected to last 4 days. | | St. Catherines Wildcats: SP Roland Strickland was injured while pitching. The Diagnosis: back spasms. This is a day-to-day injury expected to last 5 days. |
| Friday, June 29th, 1951 | | Kitchener Marshalls: Cisco Moreno has suffered a setback in his recovery. He is not expected to recover for another 4 days. | | Brampton Roses: C Tracy Fowler was injured while running the bases. The Diagnosis: hamstring cramp. This is a day-to-day injury expected to last 6 days. |
| Thursday, June 28th, 1951 | | Oshawa Carriages: LF River Hanson was injured on a defensive play. The Diagnosis: post-concussion syndrome. He's expected to miss about 7 months. | | Keswick Ice Fishers: 2B Joong Goei was injured while throwing the ball. The Diagnosis: herniated disc (back). This is a day-to-day injury expected to last 1-2 weeks. | | Port Credit Traders: SP T.J. Moore was injured while pitching. The Diagnosis: mild hamstring strain. This is a day-to-day injury expected to last 5 days. | | Guelph Royals: SS Weldon McClurg was injured on a defensive play. The Diagnosis: sprained elbow. He's expected to miss about 3 weeks. |
| Wednesday, June 27th, 1951 | | St. Catherines Wildcats: SS Duane Wheeler is ill. The Diagnosis: flu-like symptoms. This is a day-to-day injury expected to last 4 days. | | Brampton Roses: 2B Joey Evans was injured being hit by a pitch. The Diagnosis: bruised elbow. This is a day-to-day injury expected to last 2 days. |
| Tuesday, June 26th, 1951 | | Keswick Ice Fishers: LF Carlos Gómez was injured in a collision at a base. The Diagnosis: back soreness. He's expected to miss about 2 weeks. |
| Monday, June 25th, 1951 | | Welland Bridges: 1B Henry West was injured while running the bases. The Diagnosis: strained quadriceps. This is a day-to-day injury expected to last 3 days. |
| Sunday, June 24th, 1951 | | Ajax Cruisers: SP Juanito Urrea was injured while pitching. The Diagnosis: sore thumb. This is a day-to-day injury expected to last 1 day. | | Ajax Cruisers: MR José Barrón was injured while pitching. The Diagnosis: ruptured tendon (finger). He's expected to miss about 4 months. | | Hamilton Steelers: RF Jimmy Campbell was injured on a defensive play. The Diagnosis: strained hamstring. He's expected to miss about 4 weeks. |
| Tuesday, June 19th, 1951 | | Peterborough Locks: RF Dane Roberts was injured while throwing the ball. The Diagnosis: hamstring soreness. He's expected to miss about 5 days. | | Hamilton Steelers: 1B Nicholas Cherry was injured while running the bases. The Diagnosis: sprained ankle. This is a day-to-day injury expected to last one week. |
| Monday, June 18th, 1951 | | St. Catherines Wildcats: CF Forest Jones was injured while running the bases. The Diagnosis: mild hamstring strain. This is a day-to-day injury expected to last 2 days. |
| Saturday, June 16th, 1951 | | Uxbridge Celts: 3B Vincente González was injured while throwing the ball. The Diagnosis: strained shoulder. He's expected to miss about 5 weeks. |
| Friday, June 15th, 1951 | | Hamilton Steelers: C Joe Keys was injured while running the bases. The Diagnosis: sore back. This is a day-to-day injury expected to last 1 day. |
| Wednesday, June 13th, 1951 | | Oshawa Carriages: C José Vargas was injured while running the bases. The Diagnosis: sore ankle. This is a day-to-day injury expected to last 3 days. |
| Tuesday, June 12th, 1951 | | Vaughan Millers: 1B Bo-young Park was injured while running the bases. The Diagnosis: elbow contusion. He's expected to miss about 1-2 weeks. |
| Monday, June 11th, 1951 | | St. Catherines Wildcats: Caleb McAdie has suffered a setback in his recovery. He is not expected to recover for another 2-3 weeks. | | Vaughan Millers: C Carl Mason was injured in a collision at a base. The Diagnosis: strained oblique. He's expected to miss about 4 weeks. | | Port Credit Traders: SS Bob Lord was injured while running the bases. The Diagnosis: sore back. This is a day-to-day injury expected to last 1 day. |
| Sunday, June 10th, 1951 | | Guelph Royals: SP David Hill is ill. The Diagnosis: earache. This is a day-to-day injury expected to last 3 days. |
| Friday, June 8th, 1951 | | Vaughan Millers: SP Derek Robinson was injured while pitching. The Diagnosis: shoulder inflammation. He's expected to miss about 3-4 months. | | Brampton Roses: LF Bob Milligan was injured being hit by a pitch. The Diagnosis: concussion. This is a day-to-day injury expected to last 6 days. | | Kitchener Marshalls: 1B Seinosuke Chikafuji was injured while running the bases. The Diagnosis: twisted ankle. This is a day-to-day injury expected to last 4 days. |
| Thursday, June 7th, 1951 | | Peterborough Locks: SP Manuel Pérez was injured while pitching. The Diagnosis: torn UCL (Tommy John surgery). He's expected to miss about 13 months. |
| Tuesday, June 5th, 1951 | | Pickering Lakers: 2B Dan Davis was injured while throwing the ball. The Diagnosis: shoulder inflammation. He's expected to miss about 5 weeks. | | Guelph Royals: SP Gary Wood was injured while pitching. The Diagnosis: torn elbow ligament. He's expected to miss about 10 months. | | Kitchener Marshalls: RF Cisco Moreno was injured while running the bases. The Diagnosis: hamstring tendinitis. He's expected to miss about 3 weeks. |
| Saturday, June 2nd, 1951 | | Welland Bridges: CF Ryutaro Takudo was injured on a defensive play. The Diagnosis: elbow contusion. He's expected to miss about one week. |
| Friday, June 1st, 1951 | | Guelph Royals: 2B Cássio Munos was injured while running the bases. The Diagnosis: back soreness. He's expected to miss about 2 weeks. | | St. Catherines Wildcats: 1B Joseph Trevenot was injured in a collision at a base. The Diagnosis: torn ankle ligaments. He's expected to miss about 6-7 weeks. |
| Thursday, May 31st, 1951 | | Vaughan Millers: 2B Javier Diéguez was injured while running the bases. The Diagnosis: strained oblique. He's expected to miss about 1-2 weeks. |
| Sunday, May 27th, 1951 | | Guelph Royals: CF Aubrey Gaines was injured on a defensive play. The Diagnosis: knee contusion. He's expected to miss about 1-2 weeks. | | St. Catherines Wildcats: 3B Caleb McAdie was injured while throwing the ball. The Diagnosis: hamstring strain. He's expected to miss about 3 weeks. |
| Friday, May 25th, 1951 | | Brantford Bells: MR Jim Butler was injured while pitching. The Diagnosis: surgery to remove bone chips (elbow). He's expected to miss about 4 months. |
| Thursday, May 24th, 1951 | | Pickering Lakers: SP Jonathan Thomas was injured while pitching. The Diagnosis: shoulder inflammation. He's expected to miss about 3 months. | | Uxbridge Celts: 1B Iván Castro was injured while running the bases. The Diagnosis: bruised knee. This is a day-to-day injury expected to last one week. |
| Wednesday, May 23rd, 1951 | | Pickering Lakers: Pierre Carrière has suffered a setback in his recovery. He is not expected to recover for another 2 weeks. | | Ajax Cruisers: SP Ángel Nieves was injured while pitching. The Diagnosis: strained abdominal muscle. He's expected to miss about 4 weeks. |
| Tuesday, May 22nd, 1951 | | Oshawa Carriages: SP David Hatfield was injured while pitching. The Diagnosis: tender shoulder. This is a day-to-day injury expected to last one week. | | Peterborough Locks: SP Mike Wright was injured while pitching. The Diagnosis: elbow soreness. He's expected to miss about 1-2 weeks. |
| Monday, May 21st, 1951 | | Port Credit Traders: SS Bob Lord was injured when he tripped running down the stairs. The Diagnosis: ankle soreness. He's expected to miss about one week. | | Pickering Lakers: SP Miguel Cortéz is ill. The Diagnosis: earache. This is a day-to-day injury expected to last 1 day. |
| Sunday, May 20th, 1951 | | Guelph Royals: 2B Dale Ritter was injured while running the bases. The Diagnosis: torn posterior cruciate ligament. He's expected to miss about 9 months. |
| Saturday, May 19th, 1951 | | Guelph Royals: Tim Tynes has suffered a setback in his recovery. He is not expected to recover for another 6 days. | | Uxbridge Celts: SP Les Strong was injured while pitching. The Diagnosis: forearm soreness. This is a day-to-day injury expected to last 5 days. |
| Wednesday, May 16th, 1951 | | Oshawa Carriages: 3B Greg Case was injured while running the bases. The Diagnosis: sprained ankle. He's expected to miss about 4 weeks. |
| Tuesday, May 15th, 1951 | | Brampton Roses: LF Lorenzo Núñez was injured being hit by a pitch. The Diagnosis: bruised knee. This is a day-to-day injury expected to last 1 day. |
| Sunday, May 13th, 1951 | | Pickering Lakers: SP Rick Schneider was injured while pitching. The Diagnosis: shoulder soreness. This is a day-to-day injury expected to last one week. | | Keswick Ice Fishers: SP Robert MacNeill was injured while pitching. The Diagnosis: ulnar nerve irritation. He's expected to miss about 2-3 months. |
| Saturday, May 12th, 1951 | | Vaughan Millers: 2B Don Dalton was injured while throwing the ball. The Diagnosis: hamstring strain. He's expected to miss about 6 weeks. | | Thornhill Blue Sox: SP Adrián Yan was injured while pitching. The Diagnosis: shoulder tendinitis. He's expected to miss about 1-2 weeks. | | Peterborough Locks: SP Mike Wright was injured while pitching. The Diagnosis: mild abdominal strain. This is a day-to-day injury expected to last 3 days. |
| Friday, May 11th, 1951 | | Brampton Roses: 2B Keith Jackman was injured in a collision at a base. The Diagnosis: sprained wrist. He's expected to miss about 3 weeks. | | Welland Bridges: SS Jesús Hinojosa was injured on a defensive play. The Diagnosis: sprained thumb. He's expected to miss about 4 weeks. | | Welland Bridges: RF Kenneth Barnes was injured being hit by a pitch. The Diagnosis: fractured finger. He's expected to miss about 6 weeks. |
| Thursday, May 10th, 1951 | | Oshawa Carriages: SP Felipe Silva is ill. The Diagnosis: earache. This is a day-to-day injury expected to last 2 days. | | Guelph Royals: SS Weldon McClurg was injured in a collision at a base. The Diagnosis: strained rib cage muscle. He's expected to miss about 3 weeks. |
| Tuesday, May 8th, 1951 | | Brantford Bells: RF Tom Slaughter was injured while throwing the ball. The Diagnosis: back soreness. He's expected to miss about 6 days. |
| Monday, May 7th, 1951 | | Vaughan Millers: LF Jared Walls was injured on a defensive play. The Diagnosis: torn thumb ligament. He's expected to miss about 3 weeks. | | Port Credit Traders: CF Mark Young was injured being hit by a pitch. The Diagnosis: fractured finger. He's expected to miss about 6 weeks. |
| Saturday, May 5th, 1951 | | Guelph Royals: LF Tim Tynes was injured being hit by a pitch. The Diagnosis: fractured foot. He's expected to miss about 2-3 weeks. | | Brantford Bells: 2B Joseph Jones was injured in a collision at a base. The Diagnosis: strained oblique. He's expected to miss about 3 weeks. |
| Wednesday, May 2nd, 1951 | | Port Credit Traders: 2B Raúl Nájera was injured while running the bases. The Diagnosis: mild hamstring strain. This is a day-to-day injury expected to last 1 day. |
| Sunday, April 29th, 1951 | | Peterborough Locks: 2B Ed Payne was injured while running the bases. The Diagnosis: quadriceps strain. He's expected to miss about 4 weeks. | | St. Catherines Wildcats: MR Jason Moore was injured while pitching. The Diagnosis: partially torn labrum. He's expected to miss about 3 months. | | Welland Bridges: SP Geoffrey Patrick was injured while pitching. The Diagnosis: mild abdominal strain. This is a day-to-day injury expected to last 3 days. |
| Friday, April 27th, 1951 | | Ajax Cruisers: SP Juanito Urrea was injured while pitching. The Diagnosis: forearm cramp. This is a day-to-day injury expected to last 3 days. | | Pickering Lakers: SP David Ward was injured while pitching. The Diagnosis: torn rotator cuff. He's expected to miss about 7 months. | | Pickering Lakers: LF Pierre Carrière was injured on a defensive play. The Diagnosis: hamstring strain. He's expected to miss about 4 weeks. | | Hamilton Steelers: SP Bill Roberts was injured while pitching. The Diagnosis: rotator cuff strain. He's expected to miss about 3 weeks. | | Brantford Bells: C Steve Moody was injured while running the bases. The Diagnosis: ruptured Achilles tendon. He's expected to miss about 3-4 months. |
| Wednesday, April 25th, 1951 | | Peterborough Locks: CF Joe LaChance was injured on a defensive play. The Diagnosis: intercostal strain. He's expected to miss about 3 weeks. | | Welland Bridges: LF Edwin Gray was injured while throwing the ball. The Diagnosis: strained triceps. He's expected to miss about 5-6 weeks. |
| Monday, April 23rd, 1951 | | Uxbridge Celts: 2B Larry Peterson was injured while running the bases. The Diagnosis: fractured thumb. He's expected to miss about 6-7 weeks. | | Ajax Cruisers: SP Ángel Nieves was injured while pitching. The Diagnosis: herniated disc (back). This is a day-to-day injury expected to last one week. |
| Sunday, April 22nd, 1951 | | Kitchener Marshalls: RF Dan Middleton was injured while throwing the ball. The Diagnosis: strained abdominal muscle. He's expected to miss about 6 weeks. |
| Wednesday, April 18th, 1951 | | Vaughan Millers: 1B Keith Beasley was injured while running the bases. The Diagnosis: strained back. This is a day-to-day injury expected to last one week. | | Pickering Lakers: 1B Sean Green was injured while running the bases. The Diagnosis: oblique strain. He's expected to miss about one week. |
| Tuesday, April 17th, 1951 | | Keswick Ice Fishers: 2B Severiano Bonita was injured while throwing the ball. The Diagnosis: back stiffness. This is a day-to-day injury expected to last 3 days. |
| Sunday, April 15th, 1951 | | Guelph Royals: 3B William Petty was injured while running the bases. The Diagnosis: ankle soreness. He's expected to miss about 5 days. |
| Saturday, April 14th, 1951 | | Ajax Cruisers: CF Troy Reed was injured while running the bases. The Diagnosis: hip flexor strain. This is a day-to-day injury expected to last 6 days. | | Keswick Ice Fishers: C Roberto Bustamante was injured in a collision at a base. The Diagnosis: wrist tendinitis. He's expected to miss about 2 weeks. | | Guelph Royals: C Jerry Seedorf was injured in a collision at home plate. The Diagnosis: intercostal strain. He's expected to miss about 3-4 weeks. |
| Thursday, April 12th, 1951 | | Vaughan Millers: RF Glen Green was injured while running the bases. The Diagnosis: mild hamstring strain. This is a day-to-day injury expected to last 2 days. |
| Tuesday, April 10th, 1951 | | Vaughan Millers: 3B Javier Diéguez was injured while running the bases. The Diagnosis: groin soreness. This is a day-to-day injury expected to last 1 day. |
| Monday, April 9th, 1951 | | Pickering Lakers: 2B Patrick Fitzgerald was injured while running the bases. The Diagnosis: mild hamstring strain. This is a day-to-day injury expected to last 6 days. | | Brantford Bells: CF José Lucero was injured on a defensive play. The Diagnosis: hamstring strain. He's expected to miss about 5 weeks. |
| Sunday, April 8th, 1951 | | Pickering Lakers: SS Víctor Moreno was injured while throwing the ball. The Diagnosis: back tightness. This is a day-to-day injury expected to last 3 days. |
| Saturday, April 7th, 1951 | | Peterborough Locks: LF Dane Roberts was injured on a defensive play. The Diagnosis: sprained ankle. He's expected to miss about 3 weeks. |
| Friday, April 6th, 1951 | | Hamilton Steelers: SS Omar Ramírez was injured in a collision at a base. The Diagnosis: sprained thumb. He's expected to miss about 5 weeks. | | Guelph Royals: SP Joe Richmond was injured while pitching. The Diagnosis: hamstring soreness. He's expected to miss about 2 days. | | Kitchener Marshalls: 2B Diego Montoya was injured while throwing the ball. The Diagnosis: elbow tendinitis. He's expected to miss about 2 weeks. |
| Thursday, April 5th, 1951 | | Keswick Ice Fishers: RF Xavier Royer was injured on a defensive play. The Diagnosis: knee contusion. He's expected to miss about 5 days. | | Brantford Bells: 2B Sammy Finley was injured being hit by a pitch. The Diagnosis: bruised thigh. This is a day-to-day injury expected to last 6 days. |
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