» September 13, 1989: Fay Vincent is elected baseball's 8th commissioner, succeeding the late Bart Giamatti, whom he served as deputy commissioner.
» July 30, 1990: In a surprisingly harsh ruling, Commissioner Fay Vincent orders Yankees owner George Steinbrenner to resign as the club's general partner by August 20th and bans him from day-to-day operation of the team for life. The ruling is a result of Steinbrenner's $40,000 payment to confessed gambler Howie Spira for damaging information about since-traded Yankee star Dave Winfield.
» March 12, 1991: Commissioner Fay Vincent orders a ban on the use of smokeless tobacco in the Class A Appalachian and Northwest leagues and the rookie Pioneer and Gulf Coast leagues.
» April 10, 1991:
Sixty-eight-year-old Minnie Minoso is denied a chance to appear in a professional game in his 6th consecutive decade by baseball Commissioner Fay Vincent. Minoso had been scheduled to suit up for the independent Miami Miracle of the Class A Florida State League in their April 13 game against the Ft. Lauderdale Yankees. Vincent refuses to allow Minoso to sign a contract, even for a single night.
» April 26, 1991: Roger Clemens' appeal of the 5-game suspension and $10,000 fine levied against him for his confrontation with umpire Jim Evans and threat to "get" umpire Terry Cooney during the 1990 American League playoffs is denied by commissioner Fay Vincent.
» April 24, 1992:
Former Yankees vice president Leonard Kleinman drops his $30 million lawsuit against baseball Commissioner Fay Vincent. The suit had been one of the obstacles standing in the way of George Steinbrenner's reinstatement with the Yankees.
» June 24, 1992: Yankees P Steve Howe is permanently banned from baseball by Commissioner Fay Vincent after having pled guilty to a misdemeanor charge of attempting to purchase a gram of cocaine. It is Howe's 7th ban from the game, as he becomes the 1st player ever permanently banned from baseball because of drugs.
» July 6, 1992:
Commissioner Fay Vincent orders realignment of the National League for the 1993 season, forcing the Cubs and Cardinals into the Western Division.
» July 24, 1992:
Commissioner Fay Vincent announces that George Steinbrenner can resume active control of the Yankees on March 1, 1993.
» September 3, 1992:
Baseball owners vote 18–9, with one abstention, calling for the resignation of Commissioner Fay Vincent.
» September 7, 1992: Baseball commissioner Fay Vincent resigns three days after failing to receive a vote of confidence by the owners at a meeting in Rosemont, Illinois.
» September 24, 1992:
Baseball's executive council rescinds the National League realignment announced by Fay Vincent earlier this year. Vincent has since resigned from his post.
» July 2, 1999:
Umpire Tom Hallion is suspended for three games for his actions during an argument with Colorado catcher Jeff Reed and pitching coach Milt May on June 26th. The dispute began when Rockies pitcher Mike DeJean, while walking to his dugout complained to third base umpire Terry Tata about a check-swing call, and home plate ump Hallion, told DeJean to get in the dugout. Officials couldn't recall another suspension of an umpire for an on-field dispute. In 1990, National League president Bill White was prepared to suspend umpire Joe West for slamming Philadelphia pitcher Dennis Cook to the field, but commissioner Fay Vincent intervened and no discipline was imposed.