| | | Monday, August 14th, 1978 | | Activated 2B Jian-zhang Wu from the disabled list. | | Saturday, August 5th, 1978 | | Placed CF Matt Forrest on the 15-day disabled list. | | Saturday, July 15th, 1978 | | Activated RF Lyle Logan from the disabled list. | | Placed 2B Jian-zhang Wu on the 15-day disabled list. | | Monday, June 26th, 1978 | | Placed SP Francisco Cantú on the 15-day disabled list. | | Thursday, June 15th, 1978 | | Drafted MR Brent Jones in the 1978 first-year player draft (Round 6, Pick 11, 116th overall pick). | | Drafted 1B Esteban Aguilar in the 1978 first-year player draft (Round 7, Pick 11, 136th overall pick). | | Drafted SP Santiago Liriano in the 1978 first-year player draft (Round 8, Pick 11, 156th overall pick). | | Drafted 1B León Resto in the 1978 first-year player draft (Round 9, Pick 11, 176th overall pick). | | Drafted MR George Woodard in the 1978 first-year player draft (Round 10, Pick 11, 196th overall pick). | | Promoted 1B Francisco Gutiérrez to Double A Eagle Pass. | | Tuesday, April 18th, 1978 | | Activated 3B Ken Hamilton from the disabled list. | | Sunday, April 9th, 1978 | | Placed SS Phil McDonald on the 15-day disabled list. | | Monday, April 3rd, 1978 | | Placed 3B Ken Hamilton on the 15-day disabled list. | | Wednesday, September 21st, 1977 | | Activated SP Ramón Espín from the disabled list. | | Saturday, August 27th, 1977 | | Signed hitting coach Luis Chávez. | | Thursday, August 25th, 1977 | | Signed Pitching Coach Glenn Jones to a 1-year contract extension. | | Hitting Coach Thu Vu leaves the team, his contract was not renewed. | |
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