| Friday, June 15th, 1951 |
| Calabasas Hawks: Received MR Hubert Kerr from Double A Harlingen. |
| Long Beach Sharks: Activated MR Manuel Cruz from the disabled list. |
| Whittier Raiders: Promoted MR John van Ham to Double A Edna. |
| Whittier Raiders: Promoted LF Brett James to Double A Edna. |
| Whittier Raiders: Received MR Steve Perkins from Double A Edna. |
| Montebello Lancers: Promoted 2B Michael Wilson to Double A Corpus Christi. |
| Montebello Lancers: Received 3B Trevor Gosse from Double A Corpus Christi. |
| Montebello Lancers: Promoted SP Enrique Trujillo to Double A Corpus Christi. |
| Montebello Lancers: Received SP Pancho López from Double A Corpus Christi. |
| Costa Mesa Coasters: Promoted MR Kelly Howard to Double A Alice. |
| Costa Mesa Coasters: Received SP Wallace Metcalf from Double A Alice. |
| Riverside Oranges: Promoted MR Alfredo Hurtado to Double A Laredo. |
| Riverside Oranges: Received SP Chris Thompson from Double A Laredo. |
| Hollywood Stars: Promoted MR Marty Webb to Double A Brownsville. |
| Hollywood Stars: Received SP Claudio Benavides from Double A Brownsville. |
| Fullerton Wildcats: Promoted MR John Atkins to Double A Victoria. |
| Fullerton Wildcats: Received SP Terry Brewer from Double A Victoria. |
| Oxnard Aviators: Promoted MR Máximo Mugica to Double A McAllen. |
| Oxnard Aviators: Received SP Bret McGinnity from Double A McAllen. |
| Long Beach Sharks: Received 1B Armando Miranda from Double A Port Lavaca. |
| Laguna Beach Waves: Promoted MR Francisco Vargas to Double A Beeville. |
| Laguna Beach Waves: Received SP Jorge Pérez from Double A Beeville. |
| Calabasas Hawks: Promoted SP Hubert Kerr to Double A Harlingen. |
| Calabasas Hawks: Received SP Ray Dorsey from Double A Harlingen. |
| Santa Monica Barons: Promoted MR Richard Brown to Double A Freeport. |
| Santa Monica Barons: Received MR Blake MacKay from Double A Freeport. |
| Long Beach Sharks: Drafted CF Randy Bradshaw in the 1951 first-year player draft (Round 6, Pick 1, 81st overall pick). |
| Calabasas Hawks: Drafted SP Walter Lewis in the 1951 first-year player draft (Round 6, Pick 4, 84th overall pick). |
| Oxnard Aviators: Drafted CL Stephen Morton in the 1951 first-year player draft (Round 6, Pick 5, 85th overall pick). |
| Costa Mesa Coasters: Drafted MR Jaime Soto in the 1951 first-year player draft (Round 6, Pick 6, 86th overall pick). |
| Santa Monica Barons: Drafted 2B David Wilson in the 1951 first-year player draft (Round 6, Pick 7, 87th overall pick). |
| Fullerton Wildcats: Drafted 2B Carroll King in the 1951 first-year player draft (Round 6, Pick 8, 88th overall pick). |
| Hollywood Stars: Drafted CF Javier López in the 1951 first-year player draft (Round 6, Pick 9, 89th overall pick). |
| Santa Ana Winds: Drafted 2B Duane Wheeler in the 1951 first-year player draft (Round 6, Pick 10, 90th overall pick). |
| Montebello Lancers: Drafted MR Doug Stewart in the 1951 first-year player draft (Round 6, Pick 11, 91st overall pick). |
| Pasadena Titans: Drafted 3B Rod Sampson in the 1951 first-year player draft (Round 6, Pick 12, 92nd overall pick). |
| Laguna Beach Waves: Drafted SP Alejandro Vélez in the 1951 first-year player draft (Round 6, Pick 13, 93rd overall pick). |
| El Monte Gauchos: Drafted 2B Gene Roberson in the 1951 first-year player draft (Round 6, Pick 14, 94th overall pick). |
| Lake Elsinore Demons: Drafted LF Jon Franklin in the 1951 first-year player draft (Round 6, Pick 15, 95th overall pick). |
| Whittier Raiders: Drafted 2B Geoff Tatum in the 1951 first-year player draft (Round 6, Pick 16, 96th overall pick). |
| Long Beach Sharks: Drafted MR Mike Clark in the 1951 first-year player draft (Round 7, Pick 1, 97th overall pick). |
| San Bernadino Bears: Drafted MR Juan Ochoa in the 1951 first-year player draft (Round 7, Pick 2, 98th overall pick). |
| Riverside Oranges: Drafted CF Anthony Brock in the 1951 first-year player draft (Round 7, Pick 3, 99th overall pick). |
| Calabasas Hawks: Drafted RF Manuel Hernández in the 1951 first-year player draft (Round 7, Pick 4, 100th overall pick). |
| Oxnard Aviators: Drafted RF Ánibal Jiménez in the 1951 first-year player draft (Round 7, Pick 5, 101st overall pick). |
| Costa Mesa Coasters: Drafted 3B Paul Richards in the 1951 first-year player draft (Round 7, Pick 6, 102nd overall pick). |
| Santa Monica Barons: Drafted 3B Will Williams in the 1951 first-year player draft (Round 7, Pick 7, 103rd overall pick). |
| Fullerton Wildcats: Drafted SP William Taylor in the 1951 first-year player draft (Round 7, Pick 8, 104th overall pick). |
| Hollywood Stars: Drafted RF Cary Stout in the 1951 first-year player draft (Round 7, Pick 9, 105th overall pick). |
| Santa Ana Winds: Drafted SP Rupert Oversluizen in the 1951 first-year player draft (Round 7, Pick 10, 106th overall pick). |
| Montebello Lancers: Drafted 1B José Villarreal in the 1951 first-year player draft (Round 7, Pick 11, 107th overall pick). |
| Pasadena Titans: Drafted 3B Will O'Day in the 1951 first-year player draft (Round 7, Pick 12, 108th overall pick). |
| Laguna Beach Waves: Drafted C Arturo López in the 1951 first-year player draft (Round 7, Pick 13, 109th overall pick). |
| El Monte Gauchos: Drafted 2B Kevin Little in the 1951 first-year player draft (Round 7, Pick 14, 110th overall pick). |
| Lake Elsinore Demons: Drafted MR Roberto Rangel in the 1951 first-year player draft (Round 7, Pick 15, 111st overall pick). |
| Whittier Raiders: Drafted SP Colm Stephenson in the 1951 first-year player draft (Round 7, Pick 16, 112nd overall pick). |
| Long Beach Sharks: Drafted 2B Jason Erickson in the 1951 first-year player draft (Round 8, Pick 1, 113rd overall pick). |
| San Bernadino Bears: Drafted CF Rob Weaver in the 1951 first-year player draft (Round 8, Pick 2, 114th overall pick). |
| Riverside Oranges: Drafted SS Jesús Palma in the 1951 first-year player draft (Round 8, Pick 3, 115th overall pick). |
| Calabasas Hawks: Drafted MR Jaime Rodríguez in the 1951 first-year player draft (Round 8, Pick 4, 116th overall pick). |
| Oxnard Aviators: Drafted MR Mark Hendricks in the 1951 first-year player draft (Round 8, Pick 5, 117th overall pick). |
| Costa Mesa Coasters: Drafted CL Pete Lucas in the 1951 first-year player draft (Round 8, Pick 6, 118th overall pick). |
| Santa Monica Barons: Drafted SP Henry Lyon in the 1951 first-year player draft (Round 8, Pick 7, 119th overall pick). |
| Fullerton Wildcats: Drafted 1B Ken Randall in the 1951 first-year player draft (Round 8, Pick 8, 120th overall pick). |
| Hollywood Stars: Drafted 2B Mark Stuart in the 1951 first-year player draft (Round 8, Pick 9, 121st overall pick). |
| Santa Ana Winds: Drafted 2B Millard Mason in the 1951 first-year player draft (Round 8, Pick 10, 122nd overall pick). |
| Pasadena Titans: Drafted 3B Chip Cooper in the 1951 first-year player draft (Round 8, Pick 12, 124th overall pick). |
| Laguna Beach Waves: Drafted SP Dai-lin Zhou in the 1951 first-year player draft (Round 8, Pick 13, 125th overall pick). |
| El Monte Gauchos: Drafted C Andrew Jackson in the 1951 first-year player draft (Round 8, Pick 14, 126th overall pick). |
| Lake Elsinore Demons: Drafted C Montel Abineri in the 1951 first-year player draft (Round 8, Pick 15, 127th overall pick). |
| Whittier Raiders: Drafted CF Matt Bartlett in the 1951 first-year player draft (Round 8, Pick 16, 128th overall pick). |
| Long Beach Sharks: Drafted MR Mario Méndez in the 1951 first-year player draft (Round 9, Pick 1, 129th overall pick). |
| San Bernadino Bears: Drafted C Joe West in the 1951 first-year player draft (Round 9, Pick 2, 130th overall pick). |
| Riverside Oranges: Drafted SS Tomás Reyes in the 1951 first-year player draft (Round 9, Pick 3, 131st overall pick). |
| Calabasas Hawks: Drafted 1B Jing-bo Yang in the 1951 first-year player draft (Round 9, Pick 4, 132nd overall pick). |
| Oxnard Aviators: Drafted SS Jesse Pennington in the 1951 first-year player draft (Round 9, Pick 5, 133rd overall pick). |
| Costa Mesa Coasters: Drafted 1B Dave Stone in the 1951 first-year player draft (Round 9, Pick 6, 134th overall pick). |
| Santa Monica Barons: Drafted C William O'Halloran in the 1951 first-year player draft (Round 9, Pick 7, 135th overall pick). |
| Fullerton Wildcats: Drafted MR Jesús Maldonado in the 1951 first-year player draft (Round 9, Pick 8, 136th overall pick). |
| Santa Ana Winds: Drafted MR Raúl López in the 1951 first-year player draft (Round 9, Pick 10, 138th overall pick). |
| Montebello Lancers: Drafted C Ben Peters in the 1951 first-year player draft (Round 9, Pick 11, 139th overall pick). |
| Laguna Beach Waves: Drafted C Abel Kaufman in the 1951 first-year player draft (Round 9, Pick 13, 141st overall pick). |
| El Monte Gauchos: Drafted MR Nelson Wilder in the 1951 first-year player draft (Round 9, Pick 14, 142nd overall pick). |
| Lake Elsinore Demons: Drafted MR Darrel Webb in the 1951 first-year player draft (Round 9, Pick 15, 143rd overall pick). |
| Whittier Raiders: Drafted MR Jamie Holland in the 1951 first-year player draft (Round 9, Pick 16, 144th overall pick). |
| Long Beach Sharks: Drafted LF Todd Graybill in the 1951 first-year player draft (Round 10, Pick 1, 145th overall pick). |
| San Bernadino Bears: Drafted 1B Hsin-pei Huang in the 1951 first-year player draft (Round 10, Pick 2, 146th overall pick). |
| Riverside Oranges: Drafted SP Wayne Miller in the 1951 first-year player draft (Round 10, Pick 3, 147th overall pick). |
| Calabasas Hawks: Drafted MR Morgan Berry in the 1951 first-year player draft (Round 10, Pick 4, 148th overall pick). |
| Oxnard Aviators: Drafted MR James Allgood in the 1951 first-year player draft (Round 10, Pick 5, 149th overall pick). |
| Costa Mesa Coasters: Drafted MR Perry Heard in the 1951 first-year player draft (Round 10, Pick 6, 150th overall pick). |
| Santa Monica Barons: Drafted SP Randy Bennett in the 1951 first-year player draft (Round 10, Pick 7, 151st overall pick). |
| Fullerton Wildcats: Drafted 1B Juan Altagracia in the 1951 first-year player draft (Round 10, Pick 8, 152nd overall pick). |
| Hollywood Stars: Drafted SP Manuel Cabrera in the 1951 first-year player draft (Round 10, Pick 9, 153rd overall pick). |
| Santa Ana Winds: Drafted SP Ron Lewis in the 1951 first-year player draft (Round 10, Pick 10, 154th overall pick). |
| Pasadena Titans: Drafted MR Darren Collins in the 1951 first-year player draft (Round 10, Pick 12, 156th overall pick). |
| Laguna Beach Waves: Drafted SP Brian Holt in the 1951 first-year player draft (Round 10, Pick 13, 157th overall pick). |
| Lake Elsinore Demons: Drafted C Carlos Juárez in the 1951 first-year player draft (Round 10, Pick 15, 159th overall pick). |
| Whittier Raiders: Drafted C Travis Brown in the 1951 first-year player draft (Round 10, Pick 16, 160th overall pick). |
| Lake Elsinore Demons: Promoted LF Jon Franklin to Double A Kingsville. |
| Lake Elsinore Demons: Received MR Ralph Thompson from Double A Kingsville. |
| Pasadena Titans: Placed LF Juan Torres on the 15-day disabled list. |
| Fullerton Wildcats: Promoted 2B Carroll King to Double A Victoria. |
| Fullerton Wildcats: Received 1B Bob Bell from Double A Victoria. |
| Calabasas Hawks: Promoted RF Manuel Hernández to Double A Harlingen. |
| Calabasas Hawks: Promoted 1B Jing-bo Yang to Double A Harlingen. |
| Calabasas Hawks: Received SP Michael Willis from Double A Harlingen. |
| Calabasas Hawks: Received MR Hubert Kerr from Double A Harlingen. |
| Santa Ana Winds: Promoted 2B Duane Wheeler to Double A Austin. |
| Santa Ana Winds: Promoted 2B Millard Mason to Double A Austin. |
| Santa Ana Winds: Received 3B Ken Smith from Double A Austin. |
| Santa Ana Winds: Received 1B Billy Shaw from Double A Austin. |
| Hollywood Stars: Promoted 2B Mark Stuart to Double A Brownsville. |
| Hollywood Stars: Promoted CF Javier López to Double A Brownsville. |
| Hollywood Stars: Received 3B Leonardo Rodríguez from Double A Brownsville. |
| Hollywood Stars: Received LF Ronnie Rose from Double A Brownsville. |
| Hollywood Stars: Placed CF Albert Muńóz on the 15-day disabled list. |
| Montebello Lancers: Promoted 1B José Villarreal to Double A Corpus Christi. |
| Montebello Lancers: Received 3B Rhett Tyler from Double A Corpus Christi. |
| San Bernadino Bears: Promoted CF Rob Weaver to Double A San Antonio. |
| San Bernadino Bears: Received LF William Williams from Double A San Antonio. |
| Riverside Oranges: Promoted SS Jesús Palma to Double A Laredo. |
| Riverside Oranges: Promoted CF Anthony Brock to Double A Laredo. |
| Riverside Oranges: Received SS Steve Bigica from Double A Laredo. |
| Riverside Oranges: Received CF Wayne Sampson from Double A Laredo. |
| Long Beach Sharks: Promoted CF Randy Bradshaw to Double A Port Lavaca. |
| Long Beach Sharks: Received LF Cam Phelps from Double A Port Lavaca. |
| Santa Monica Barons: Promoted 3B Will Williams to Double A Freeport. |
| Santa Monica Barons: Promoted 2B David Wilson to Double A Freeport. |
| Santa Monica Barons: Received MR Gan Kung from Double A Freeport. |
| Santa Monica Barons: Received SP Chris Johnston from Double A Freeport. |
| El Monte Gauchos: Promoted 2B Gene Roberson to Double A Galveston. |
| El Monte Gauchos: Received SS Joe Davis from Double A Galveston. |
