| | | Tuesday, August 25th, 1970 | | Placed 1B Jotaro Hirata on the 15-day disabled list. |
| Monday, June 15th, 1970 | | Promoted MR Leland Thomas to Double A Frankfort. | | Promoted 2B Ron Harvey to Double A Frankfort. | | Received LF Toby Watts from Double A Frankfort. | | Released 1B Vicente Rivera. | | Drafted 2B Jorge Saucedo in the 1970 first-year player draft (Round 6, Pick 13, 108th overall pick). | | Drafted SP Anthony Henderson in the 1970 first-year player draft (Round 7, Pick 13, 126th overall pick). | | Drafted C Wu Yang in the 1970 first-year player draft (Round 8, Pick 13, 144th overall pick). | | Drafted MR Carlos Gómez in the 1970 first-year player draft (Round 9, Pick 13, 162nd overall pick). | | Drafted SP Roberto Gerrido in the 1970 first-year player draft (Round 10, Pick 13, 180th overall pick). | | Placed MR Héctor López on the 15-day disabled list. |
| Friday, May 29th, 1970 | | Placed RF Brad Jenkins on the 15-day disabled list. |
| Tuesday, May 19th, 1970 | | Activated SP Mike Decker from the disabled list. |
| Tuesday, May 5th, 1970 | | Activated SP Josh Scott from the disabled list. |
| Saturday, April 25th, 1970 | | Placed SP Mike Decker on the 15-day disabled list. | | Placed CF Jude Hudson on the 15-day disabled list. |
| Sunday, September 28th, 1969 | | Activated MR Pedro Aguilar from the disabled list. | | Activated SP Luis García from the disabled list. |
| Saturday, September 27th, 1969 | | Activated MR Mike Keller from the disabled list. |
| Friday, September 19th, 1969 | | Activated MR Martín Rodríguez from the disabled list. |
| Monday, September 15th, 1969 | | Activated SS Hilario Solíz from the disabled list. |
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