| | | Saturday, September 10th, 1988 | | Released SP Mario Soto. | | Monday, August 8th, 1988 | | Placed SS Glenn Hoffman on the 10-day injured list, retroactive to 07/20/1988. | | Tuesday, July 19th, 1988 | | RF Ellis Burks was designated for assignment. | | Thursday, June 30th, 1988 | | Received RF Ellis Burks from Major League Kansas City for injury rehab. | | Placed 3B Gene Robertson on the 10-day injured list, retroactive to 06/25/1988. | | Promoted SP Rick Mahler to Major League Kansas City. | | Drafted SP Carlos Zambrano in the 1988 first-year player draft (Round 1, Pick 4, 4th overall pick). | | Drafted RP Don McMahon in the 1988 first-year player draft (Round 2, Pick 4, 15th overall pick). | | Drafted SP Woody Williams in the 1988 first-year player draft (Round 3, Pick 4, 26th overall pick). | | Drafted LF Bunny Brief in the 1988 first-year player draft (Round 4, Pick 4, 37th overall pick). | | Drafted LF Rolando Roomes in the 1988 first-year player draft (Round 5, Pick 4, 48th overall pick). | | Released SS Nelson Norman. | | Released LF Clint Hurdle. | | Released RF Harvey MacDonald. | | Released 3B Wayne Gross. | | Released SS Bill Russell. | | |
