| Thursday, September 29th, 1955 | Placed C Trent Eaton on the 15-day disabled list. | Placed SP John O'Quinn on waivers. | Sunday, September 25th, 1955 | Activated RF Jared Walls from the disabled list. | Saturday, September 10th, 1955 | Activated CF Michael Clark from the disabled list. | Tuesday, August 16th, 1955 | MR Rusty Hall was designated for assignment and placed on waivers (from active). | Friday, August 12th, 1955 | Signed Joe Adams to a minor league contract with a signing bonus of $10,100. | Thursday, August 11th, 1955 | Activated SS Javier Diéguez from the disabled list. | SS Miguel Torres was designated for assignment and placed on irrevocable waivers. | Tuesday, August 2nd, 1955 | Signed Raúl López to a minor league contract with a signing bonus of $23,000. | Thursday, July 28th, 1955 | Signed Juan Gutiérrez to a minor league contract with a signing bonus of $2,100. | Friday, July 22nd, 1955 | Signed Gaspard Batistuta to a minor league contract with a signing bonus of $6,600. | Monday, June 27th, 1955 | Activated RF Jared Walls from the disabled list. | RF Dan Peterson was designated for assignment and placed on waivers (from active). | Saturday, June 18th, 1955 | Signed Dani Sánchez to a minor league contract with a signing bonus of $4,800. | Tuesday, June 14th, 1955 | MR Tom Sims was designated for assignment and placed on waivers (from active). | Wednesday, May 18th, 1955 | Activated SP José Romero from the disabled list. | Recalled RF Takahiro Nemoto from Triple A Vaughan. | RF Pedro Ortíz was designated for assignment and placed on waivers (from active). | MR John Gary was designated for assignment and placed on waivers (from active). | Monday, April 4th, 1955 | Activated 2B Gaël Lessard from the disabled list. | Sunday, March 20th, 1955 | Placed 2B Gaël Lessard on the 15-day disabled list. | |
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