| Wednesday, August 19th, 1970 | Activated SP David Andrews from the disabled list. | Tuesday, August 18th, 1970 | Placed 3B Cedric Stafford on the 15-day disabled list. | Friday, July 17th, 1970 | Activated RF Ryan Sherman from the disabled list. | Saturday, July 11th, 1970 | Activated LF Alfredo Ramos from the disabled list. | Sunday, June 21st, 1970 | Placed 3B Ángel Mata on the 15-day disabled list. | Monday, June 15th, 1970 | Drafted C Stephen Miller in the 1970 first-year player draft (Round 7, Pick 1, 114th overall pick). | Drafted MR Mark Hall in the 1970 first-year player draft (Round 8, Pick 1, 132nd overall pick). | Drafted C Carlos Jiménez in the 1970 first-year player draft (Round 9, Pick 1, 150th overall pick). | Wednesday, June 3rd, 1970 | Placed MR Christian Holt on the 15-day disabled list. | Thursday, May 28th, 1970 | Placed SP John Shaffner on the 15-day disabled list. | Friday, April 10th, 1970 | Released MR Jim Bell. | Wednesday, October 1st, 1969 | CF Hugh Shafer becomes a free-agent. | Tuesday, September 30th, 1969 | Activated SS Paul Harrell from the disabled list. | Thursday, September 11th, 1969 | Signed pitching coach Jacob Snow. | Thursday, September 4th, 1969 | Activated 2B Fontana Grieco from the disabled list. | Wednesday, September 3rd, 1969 | Activated RF George Watts from the disabled list. | Thursday, August 28th, 1969 | PC Carlos González retires. | |
|