| Friday, August 29th, 1958 | Activated RF Gabriel García from the disabled list. | Saturday, August 2nd, 1958 | Placed LF Ray Murray on the 15-day disabled list. | Tuesday, May 6th, 1958 | Activated 3B Bill Rigge from the disabled list. | Wednesday, April 16th, 1958 | Placed 3B Juan Velásquez on the 15-day disabled list. | Wednesday, September 4th, 1957 | RF Ken Reece retires. | |
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