| Sunday, August 9th, 1970 | Released 3B Bob Fríaz. | Friday, August 7th, 1970 | Released 2B Will Boyd. | Wednesday, July 22nd, 1970 | Released 3B Juan Peña. | Monday, June 22nd, 1970 | Activated 3B Owen Hughes from the disabled list. | Placed CF Matt Bennett on the 15-day disabled list. | Monday, June 15th, 1970 | Promoted SP Tim Vaught to Double A Alice. | Received MR Nick Miller from Double A Alice. | Received MR Rubén Guillén from Double A Alice. | Received SS Rich Field from Double A Alice. | Drafted SP Jay Coleman in the 1970 first-year player draft (Round 6, Pick 14, 109th overall pick). | Drafted SP Manuel Barrón in the 1970 first-year player draft (Round 7, Pick 14, 127th overall pick). | Drafted SP Ricardo Arteaga in the 1970 first-year player draft (Round 8, Pick 14, 145th overall pick). | Drafted 3B Raúl Saucedo in the 1970 first-year player draft (Round 9, Pick 14, 163rd overall pick). | Drafted SP Simon Moore in the 1970 first-year player draft (Round 10, Pick 14, 181st overall pick). | Saturday, June 6th, 1970 | Placed 3B Owen Hughes on the 15-day disabled list. | Saturday, May 2nd, 1970 | Released C John West. | Saturday, September 27th, 1969 | Received RF Tom Gill from Double A Alice. | Sunday, September 7th, 1969 | Received LF Tom Gill from Double A Alice. | Thursday, September 4th, 1969 | Activated C Johnny Jones from the disabled list. | |
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