| Wednesday, August 17th, 1977 | Placed CL Bernardo Martínez on the 15-day disabled list. | Wednesday, June 15th, 1977 | Promoted SP Kendrick Lang to Double A Freeport. | Promoted RF Pedro Delgado to Double A Freeport. | Received C Jesús Rúbio from Double A Freeport. | Drafted MR David Núñez in the 1977 first-year player draft (Round 6, Pick 18, 126th overall pick). | Drafted C José Valenzuela in the 1977 first-year player draft (Round 7, Pick 18, 148th overall pick). | Drafted SP Paul Brown in the 1977 first-year player draft (Round 8, Pick 18, 168th overall pick). | Drafted 3B Juan Sánchez in the 1977 first-year player draft (Round 9, Pick 18, 188th overall pick). | Drafted SP Jimmy Heyer in the 1977 first-year player draft (Round 10, Pick 18, 208th overall pick). | Promoted RF Steve Thompson to Double A Freeport. | Monday, May 16th, 1977 | Activated RF Pedro Delgado from the disabled list. | Wednesday, May 4th, 1977 | Activated 3B Alvin Reed from the disabled list. | Monday, May 2nd, 1977 | Activated C Henry Clark from the disabled list. | Tuesday, April 19th, 1977 | Placed 3B Alvin Reed on the 15-day disabled list. | Sunday, April 17th, 1977 | Placed C Henry Clark on the 15-day disabled list. | Saturday, November 13th, 1976 | Activated 3B Joe Jones from the disabled list. | Saturday, October 30th, 1976 | Activated LF Dan Mitchell from the disabled list. | Sunday, October 17th, 1976 | Activated MR José González from the disabled list. | Saturday, October 9th, 1976 | Activated SP Bob Joyner from the disabled list. | Thursday, October 7th, 1976 | RF Jason LeBlanc becomes a free-agent. | Monday, August 30th, 1976 | Activated LF Lawrence Hale from the disabled list. | Saturday, August 28th, 1976 | Activated SS Carlos Roldán from the disabled list. | |
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