| | | Wednesday, July 29th, 1959 | | Placed 1B Bob Jenkins on the 15-day disabled list. | | Monday, June 15th, 1959 | | Released 3B Mauro Santos. | | Promoted SP Henry Hinton to Double A Kingsville. | | Received SP Luis Méndez from Double A Kingsville. | | Drafted RF Francisco Seánez in the 1959 first-year player draft (Round 6, Pick 8, 95th overall pick). | | Drafted MR Juan Vargas in the 1959 first-year player draft (Round 7, Pick 8, 111st overall pick). | | Drafted C Kevin Sullivan in the 1959 first-year player draft (Round 8, Pick 8, 127th overall pick). | | Drafted MR Carlos Delaney in the 1959 first-year player draft (Round 9, Pick 8, 143rd overall pick). | | Drafted SP Marcus Graves in the 1959 first-year player draft (Round 10, Pick 8, 159th overall pick). | | Wednesday, June 10th, 1959 | | Released 3B Pat Hutton. | | Monday, April 27th, 1959 | | Activated SP Jesús Ramos from the disabled list. | | Saturday, April 25th, 1959 | | Released 2B Eric Owens. | | Monday, April 20th, 1959 | | Placed CF Ramón Pérez on the 15-day disabled list. | | Tuesday, October 21st, 1958 | | Activated SP Ángel Montoya from the disabled list. | | Friday, September 12th, 1958 | | Activated CF Luis Ochoa from the disabled list. | | Monday, September 8th, 1958 | | Activated 3B Miguel Garza from the disabled list. | |
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