| Wednesday, September 9th, 1964 | Activated SP Guillermo García from the disabled list. | Tuesday, September 8th, 1964 | Activated 3B Tony Velásquez from the disabled list. | Sunday, August 2nd, 1964 | Signed John George to a minor league contract with a signing bonus of $13,400. | Monday, July 20th, 1964 | Signed Ed Larson to a minor league contract with a signing bonus of $50,200. | Friday, July 10th, 1964 | Signed 1st round draft pick Diego Rodríguez for a signing bonus of $207,000 and a 2-year major league contract worth a total of $414,000. | Monday, June 15th, 1964 | Activated CF Liang Wang from the disabled list. | RF Jesse Raines was designated for assignment and placed on waivers (from active). | Thursday, May 21st, 1964 | Placed SS Brian Harrell on the 60-day disabled list. | Thursday, May 14th, 1964 | Activated LF Franky de Brouwer from the disabled list. | RF Dan Westphal was designated for assignment and placed on waivers (from active). | Wednesday, April 8th, 1964 | Placed RF Dan Westphal on the 13-day disabled list. | Monday, March 30th, 1964 | Placed SP Jerome Newell on the 13-day disabled list. | Saturday, November 30th, 1963 | Signed pitching coach Roberto Echevarría to a 5-year, $10,200 per year contract. | Monday, November 4th, 1963 | Signed team doctor Rubén Garza to a 4-year, $17,400 per year contract. | |
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