The Los Angeles Dodgers released Lance Cormier.
The New York Mets traded Ramon Castro and cash to the Chicago White Sox for Lance Broadway.
The San Francisco Giants signed Joe Borchard as a free agent.
The Chicago Cubs purchased Jim Brower from the Cincinnati Reds.
The Florida Marlins signed Chris Michalak as a free agent.
The Colorado Rockies signed Todd Ritchie as a free agent.
The Philadelphia Phillies signed J.J. Trujillo as a free agent.
The Los Angeles Angels of Anaheim traded Esteban Yan and cash to the Cincinnati Reds for Kyle Edens (minors).
The New York Mets signed Jacob Cruz as a free agent.
The New York Mets signed Mike Difelice as a free agent.
The Milwaukee Brewers purchased Graham Koonce from San Diego (Golden Baseball).
The Seattle Mariners released Matt Lawton.
The Tampa Bay Devil Rays released Chris Brock.
The New York Mets released Scott Stewart.
The Anaheim Angels signed Raul Mondesi as a free agent.
The Florida Marlins signed Kevin Barker as a free agent.
The New York Mets released Eric Cammack.
The Arizona Diamondbacks released Mark Little.
The Arizona Diamondbacks purchased Brady Raggio from Bridgeport (Atlantic).
The St. Louis Cardinals released Nerio Rodriguez.
The Minnesota Twins signed Tony Fiore as a free agent.
The Montreal Expos released Chris Peters.
The Cleveland Indians signed Hansel Izquierdo as a free agent.
The Anaheim Angels signed Kevin Stocker as a free agent.
The Chicago Cubs released Brian Williams.
The San Diego Padres signed Steve Mintz as a free agent.
The San Francisco Giants signed Francisco Santos as an amateur free agent.
The New York Mets sent Rudy Seanez to the Kansas City Royals as part of a conditional deal.
The New York Yankees released Paul Gibson.
The New York Mets returned Kevin Lomon (earlier draft pick) to the Atlanta Braves.
The Boston Red Sox signed Mike Maddux as a free agent.
The Texas Rangers released Scott Stewart.
The Florida Marlins signed Mario Diaz as a free agent.
The Cleveland Indians released Lance Parrish.
The California Angels released Dave Johnson.
The Minnesota Twins traded Francisco Oliveras to the San Francisco Giants for a player to be named later. The San Francisco Giants sent Ed Gustafson (minors) (September 26, 1990) to the Minnesota Twins to complete the trade.
The New York Yankees released Tommy John.
The Baltimore Orioles traded Ricky Jones (minors) to the Minnesota Twins for a player to be named later. The Minnesota Twins sent Ron Musselman (June 12, 1987) to the Baltimore Orioles to complete the trade.
The Texas Rangers signed Juan Gonzalez as an amateur free agent.
The Houston Astros signed Tony Eusebio as an amateur free agent.
The Cleveland Indians traded Johnnie LeMaster to the Pittsburgh Pirates for a player to be named later. The Pittsburgh Pirates sent Scott Bailes (July 3, 1985) to the Cleveland Indians to complete the trade.
The Montreal Expos released Rick Lancellotti.
The Montreal Expos released Mike Phillips.
The Milwaukee Brewers signed Hipolito Pena as an amateur free agent.
The Boston Red Sox released Ted Sizemore.
The Minnesota Twins signed Jeff Holly as a free agent.
The Cincinnati Reds signed Ted Martinez as a free agent.
The San Diego Padres purchased Larry Haney from the Oakland Athletics.
The Texas Rangers traded Norm McRae to the Detroit Tigers for Dalton Jones.
The St. Louis Cardinals traded Jim Hicks to the California Angels for Vic Davalillo.
The Philadelphia Phillies purchased Lew Burdette from the Chicago Cubs.
The New York Mets released Dave Baldwin.
The New York Mets purchased Frank Lary from the Detroit Tigers.
The New York Mets signed John Stephenson as an amateur free agent.
The St. Louis Cardinals traded Daryl Spencer to the Los Angeles Dodgers for Bob Lillis and Carl Warwick.
The Brooklyn Dodgers purchased Jim Fridley from the New York Yankees. (Date given is approximate. Exact date is uncertain.)
The Chicago White Sox purchased Bob Kennedy from the Baltimore Orioles.
The New York Yankees traded Waite Hoyt and Mark Koenig to the Detroit Tigers for Ownie Carroll, Harry Rice and Yats Wuestling.
The Pittsburgh Pirates traded Al Niehaus to the Cincinnati Reds for Tom Sheehan.
The Philadelphia Phillies traded Curt Walker to the Cincinnati Reds for George Harper.
The St. Louis Cardinals traded Cliff Heathcote to the Chicago Cubs for Max Flack.
The Boston Braves traded a player to be named later to the New York Giants for Jim Thorpe. The Boston Braves sent Pat Ragan (May 30, 1919) to the New York Giants to complete the trade.
The Pittsburgh Pirates traded Tommy Leach and Lefty Leifield to the Chicago Cubs for King Cole and Solly Hofman.
The New York Highlanders purchased Frank Kitson from the Washington Senators.
The Washington Senators selected John Anderson off waivers from the New York Highlanders.
The Detroit Tigers purchased Frank Huelsman from the Chicago White Sox.
The Pittsburgh Pirates purchased Tom Delahanty from the Cleveland Spiders. (Date given is approximate. Exact date is uncertain.)
The Worcester Ruby Legs loaned Frank Mountain to the Philadelphia Athletics.