| Monday, August 23rd, 1965 | Activated LF Pedro López from the disabled list. | Thursday, August 5th, 1965 | Placed LF Pedro López on the 15-day disabled list. | Monday, July 26th, 1965 | Activated SP Dave Lyons from the disabled list. | Friday, July 9th, 1965 | Activated MR Paul O'Reilly from the disabled list. | Tuesday, June 29th, 1965 | Activated RF Ray Stafford from the disabled list. | Sunday, May 23rd, 1965 | Placed RF Ray Stafford on the 15-day disabled list. | Saturday, May 15th, 1965 | Placed LF Alfonso Martínez on the 15-day disabled list. | Saturday, April 24th, 1965 | Placed LF José Flores on the 15-day disabled list. | Wednesday, September 9th, 1964 | Activated C Ricardo López from the disabled list. | Saturday, September 5th, 1964 | Activated SP Jack Muńóz from the disabled list. | Friday, September 4th, 1964 | Signed Manager Sergio Garza to a 2-year contract extension. | Signed Pitching Coach Roger Bailey to a 3-year contract extension. | Signed Hitting Coach Paul Newton to a 2-year contract extension. | |
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