| Monday, August 31st, 1959 | Activated 1B José Montoya from the disabled list. | Sunday, August 16th, 1959 | Placed 1B José Montoya on the 15-day disabled list. | Monday, July 27th, 1959 | Activated LF Ed Smith from the disabled list. | Tuesday, July 21st, 1959 | Released 3B Reed Ford. | Tuesday, July 14th, 1959 | Released 2B Ron Doyle. | Monday, June 15th, 1959 | Released SS Michael Bauer. | Promoted SP Jack Muńóz to Double A Alice. | Received SP Russ Hamm from Double A Alice. | Drafted SP Jorge Ruíz in the 1959 first-year player draft (Round 6, Pick 3, 90th overall pick). | Drafted 1B Stan Sanders in the 1959 first-year player draft (Round 7, Pick 3, 106th overall pick). | Drafted MR Juan Gonzáles in the 1959 first-year player draft (Round 8, Pick 3, 122nd overall pick). | Drafted MR Chris Black in the 1959 first-year player draft (Round 10, Pick 3, 154th overall pick). | Sunday, June 7th, 1959 | Received 3B Xu Sen from Double A Alice. | Thursday, May 14th, 1959 | Promoted MR Ed Hall to Double A Alice. | Wednesday, May 13th, 1959 | Released 3B Alec Dunn. | Saturday, April 18th, 1959 | Placed SS Lorenzo Leyva on the 15-day disabled list. | Tuesday, November 18th, 1958 | Released 3B Xu Sen. | Tuesday, October 21st, 1958 | Released MR José Solís. | Saturday, September 6th, 1958 | Activated 3B Lorenzo Leyva from the disabled list. | |
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