Transactions
Transactions listed are from October 1 of previous year to April 1 of the following year.
- November 4, 1988
Jim Acker granted Free Agency.
Rick Mahler granted Free Agency.
Jim Morrison granted Free Agency.
Jerry Royster granted Free Agency.
Ozzie Virgil granted Free Agency.
- December 4, 1988
Released Chuck Cary.
Released Ed Olwine.
- December 5, 1988
Drafted Gerónimo Berroa from the Toronto Blue Jays in the 1988 rule 5 draft.
Drafted Matt Stark from the Toronto Blue Jays in the 1988 rule 5 draft.
- December 23, 1988
Signed Darrell Evans as a free agent.
- January 6, 1989
Signed Jim Acker as a free agent.
- March 25, 1989
Purchased John Russell from the Philadelphia Phillies.
Purchased Jeff Treadway from the Cincinnati Reds.
- March 27, 1989
Released Matt Stark.
- March 28, 1989
Released Albert Hall.
- March 29, 1989
Purchased Mark Eichhorn from the Toronto Blue Jays.
- March 30, 1989
Released Paul Runge.
Traded Dave Miller (minors) and cash to the Texas Rangers. Received Dwayne Henry.
- April 2, 1989
Signed Ricky Trlicek as a free agent.
- June 5, 1989
Drafted Tyler Houston in the 1st round (2nd pick) of the 1989 amateur draft. Player signed June 19, 1989.
Drafted Ryan Klesko in the 5th round of the 1989 amateur draft. Player signed June 18, 1989.
Drafted Mike Mordecai in the 6th round of the 1989 amateur draft. Player signed June 10, 1989.
Drafted Joe Roa in the 18th round of the 1989 amateur draft. Player signed June 14, 1989.
Drafted Todd Greene in the 27th round of the 1989 amateur draft, but did not sign the player.
- July 2, 1989
Traded Dion James to the Cleveland Indians. Received Oddibe McDowell.
Traded Zane Smith to the Montreal Expos. Received Kevin Dean (minors), Nate Minchey and Sergio Valdez.
- August 12, 1989
Signed Ed Romero as a free agent.
- August 23, 1989
Traded Ed Romero to the Milwaukee Brewers. Received a player to be named later. The Milwaukee Brewers sent Jay Aldrich (September 1, 1989) to the Atlanta Braves to complete the trade.
- August 24, 1989
Traded Jim Acker to the Toronto Blue Jays. Received Francisco Cabrera and Tony Castillo.
Traded Paul Assenmacher to the Chicago Cubs. Received players to be named later. The Chicago Cubs sent Kelly Mann (September 1, 1989) and Pat Gomez (September 1, 1989) to the Atlanta Braves to complete the trade.
- August 25, 1989
Signed Pedro Borbón as a free agent.
- October 15, 1989
Terry Blocker granted Free Agency.
- November 6, 1989
Signed Greg Olson as a free agent.
- November 13, 1989
Darrell Evans granted Free Agency.
- November 15, 1989
- November 17, 1989
Signed Nick Esasky as a free agent.
- November 20, 1989
Purchased Alexis Infante from the Toronto Blue Jays.
Released Mark Eichhorn.
- December 4, 1989
José Álvarez drafted by the San Francisco Giants in the 1989 rule 5 draft.
- December 5, 1989
Jim Czajkowski selected by the Pittsburgh Pirates in the 1989 minor league draft.
- December 15, 1989
Traded Jim Lemasters (minors) and Gerald Perry to the Kansas City Royals. Received Charlie Leibrandt and Rick Luecken.
- December 17, 1989
Traded Ricky Trlicek to the Toronto Blue Jays. Received Kevin Batiste and Ernie Whitt.
- Before 1990 Season
Signed Rick Leach as a free agent.
- January 8, 1990
Signed Darrell Evans as a free agent.
- January 24, 1990
Traded Ken Pennington (minors) and Gary Eave to the Seattle Mariners. Received Jim Presley.
- March 18, 1990
Traded Miguel Sabino (minors) and Jeff Wetherby to the Cleveland Indians. Received a player to be named later and Tommy Hinzo. The Cleveland Indians sent Dwight Taylor (July, 1990) to the Atlanta Braves to complete the trade.
- March 19, 1990
Purchased Vinny Castilla from Saltillo (Mexican).
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