3rd NL batting champion Willie McGee signs as a free agent with the Giants, ending his 3-month stint across the bay with Oakland.
4th Reliever Dave Righetti signs as a free agent with the Giants. San Francisco now has spent $33 million for free agents Righetti, Willie McGee, and Bud Black since the end of the season.
5th In a major trade, the Blue Jays send 1B Fred McGriff and veteran SS Tony Fernandez to San Diego for 2B Roberto Alomar and slugging OF Joe Carter.
Free-agent OF Vince Coleman signs a 4-year contract with the Mets. He has led the NL in stolen bases each of the last 6 seasons, and this year (June 3rd) copped his 500th theft in his 804th game, the quickest player to reach that plateau.
6th Free agent George Bell signs with the Cubs.
Fifteen more players become “free look” free agents as part of the settlement of the most recent collusion case against the owners. It will also cost the clubs a whopping $280 million in damages.
At Leland’s auction house in New York City, Shoeless Joe Jackson’s signature is sold for $23,100, the most money ever paid for a 19th or 20th century signature. Jackson, who could not read or write, copied the signature from one written out by his wife. The signature, which was resold within hours, was cut from an unknown document.
15th AL Cy Young winner and free agent Bob Welch re-signs with Oakland, while “free look” free agents Jack Clark and Brett Butler sign with the Red Sox and Dodgers, respectively.
The Mets send veteran lefty Bob Ojeda and minor leaguer Greg Hansell to the Dodgers for OF Hubie Brooks.
18th The NL announces the 6 finalist cities for the 2 expansion clubs that will join the league in 1993: Buffalo, Denver, Miami, Orlando, Tampa-St. Petersburg, and Washington, DC.
20th The Chicago White Sox sign veteran knuckler Charlie Hough, a free agent. Hough spent every year of the 70’s with the Dodgers and every year of the 1980s with Texas.
24th The Expos trade Tim Raines and a pair of minor leaguers to the White Sox for OF Ivan Calderon and reliever Barry Jones.
26th The Senior Professional Baseball Association folds in the middle of its 2nd season when the Fort Myers Sun Sox franchise collapses due to a financial dispute among club owners.
31st A’s 3B Carney Lansford is severely injured in a New Year’s Eve snowmobile accident. He will undergo surgery on January 6th to reconstruct the anterior cruciate ligament in his left knee as well as repair other ligament damage. Lansford will play just 5 games in 1991, but return to the starting lineup in 1992.