| Monday, June 15th, 1970 | Promoted SS Orlando Méndez to Double A Galveston. | Received RF Foppe Ijzendoorn from Double A Galveston. | Promoted LF Logan Floyd to Double A Galveston. | Received 3B Scott Norris from Double A Galveston. | Received 3B Bob Fríaz from Double A Galveston. | Drafted SS Rob Snyder in the 1970 first-year player draft (Round 7, Pick 7, 120th overall pick). | Drafted SS Lou Lang in the 1970 first-year player draft (Round 8, Pick 7, 138th overall pick). | Drafted SP Emílio Ortíz in the 1970 first-year player draft (Round 9, Pick 7, 156th overall pick). | Drafted SP Edgar Romero in the 1970 first-year player draft (Round 10, Pick 7, 174th overall pick). | Sunday, June 14th, 1970 | Activated SS Orlando Méndez from the disabled list. | Monday, May 4th, 1970 | Placed SP Jack Williams on the 15-day disabled list. | Friday, December 12th, 1969 | Activated SP Luis Hernández from the disabled list. | |
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