| Wednesday, August 2nd, 1978 | Placed LF Emílio Martínez on the 15-day disabled list. | Thursday, July 27th, 1978 | Activated SP Jorge Cardenas from the disabled list. | Wednesday, July 12th, 1978 | Placed SP Jorge Cardenas on the 15-day disabled list. | Monday, July 10th, 1978 | Placed SP Mideskso Kafil on the 15-day disabled list. | Thursday, June 15th, 1978 | Drafted SP Jorge Cardenas in the 1978 first-year player draft (Round 6, Pick 19, 124th overall pick). | Drafted MR Jim Jacobs in the 1978 first-year player draft (Round 7, Pick 19, 144th overall pick). | Drafted SP Andrés Fierro in the 1978 first-year player draft (Round 8, Pick 19, 164th overall pick). | Drafted SP Roberto Romero in the 1978 first-year player draft (Round 9, Pick 19, 184th overall pick). | Promoted RF Ángel Nieves Jr. to Double A Harlingen. | Received 1B Brian Mueller from Double A Harlingen. | Wednesday, May 24th, 1978 | Activated SP Mauro Sánchez from the disabled list. | Sunday, May 21st, 1978 | Activated SP Oliver González from the disabled list. | Saturday, May 6th, 1978 | Placed SP Oliver González on the 15-day disabled list. | Tuesday, April 11th, 1978 | Placed RF Jesús Silva on the 15-day disabled list. | Wednesday, October 5th, 1977 | C Travis Holden becomes a free-agent. | Thursday, August 25th, 1977 | Received SS Paul Stephens from Double A Harlingen. | MA Don Norris retires. | Signed Pitching Coach Jake Ford to a 1-year contract extension. | |
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