| Saturday, August 15th, 1970 | Received SP Rob Cole from Double A Austin. | Tuesday, July 7th, 1970 | Activated SP Manuel Rangel from the disabled list. | Monday, June 22nd, 1970 | Placed SP Manuel Rangel on the 15-day disabled list. | Monday, June 15th, 1970 | Promoted SS Floyd Brooks to Double A Austin. | Received C José Vigil from Double A Austin. | Drafted C Mark Moore in the 1970 first-year player draft (Round 6, Pick 5, 100th overall pick). | Drafted C Rex Sherman in the 1970 first-year player draft (Round 7, Pick 5, 118th overall pick). | Drafted C César Morales in the 1970 first-year player draft (Round 8, Pick 5, 136th overall pick). | Drafted MR John Wallace in the 1970 first-year player draft (Round 9, Pick 5, 154th overall pick). | Drafted C Travis Holden in the 1970 first-year player draft (Round 10, Pick 5, 172nd overall pick). | Saturday, June 6th, 1970 | Placed 2B Bryan Green on the 15-day disabled list. | Friday, May 8th, 1970 | Placed SP Lowell Massey on the 15-day disabled list. | Tuesday, January 20th, 1970 | Activated MR Ernest Watkins from the disabled list. | Friday, October 3rd, 1969 | Signed pitching coach Bradley Ivy. | Saturday, September 13th, 1969 | Activated SP José Ávila from the disabled list. | |
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