| Monday, July 20th, 1970 | Activated LF Hunter Howe from the disabled list. | Placed MR Steve Prince on the 15-day disabled list. | Tuesday, June 23rd, 1970 | Placed LF Hunter Howe on the 15-day disabled list. | Monday, June 15th, 1970 | Promoted CF Will MacPherson to Double A Freeport. | Received 3B Cisco Ramírez from Double A Freeport. | Drafted 2B Nelson King in the 1970 first-year player draft (Round 6, Pick 6, 101st overall pick). | Drafted LF George Moss in the 1970 first-year player draft (Round 7, Pick 6, 119th overall pick). | Drafted MR Dan Haggart in the 1970 first-year player draft (Round 8, Pick 6, 137th overall pick). | Drafted 1B Pedro Rojas in the 1970 first-year player draft (Round 9, Pick 6, 155th overall pick). | Drafted MR Adrián García in the 1970 first-year player draft (Round 10, Pick 6, 173rd overall pick). | Thursday, December 25th, 1969 | Activated MR Ron Finley from the disabled list. | Wednesday, October 22nd, 1969 | Activated SP Sergio Martínez from the disabled list. | Friday, September 26th, 1969 | Signed hitting coach Harry Curtis. | |
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