On May 31, 1983 — American League President Lee MacPhail suspends Yankees owner George Steinbrenner for one week, citing “repeated problems” with the outspoken owner’s public criticism of umpires. Steinbrenner, who was fined $50,000 by Commissioner Bowie Kuhn during spring training for berating some National League umpires, cannot attend games or be in his Yankee Stadium office during the suspension.
Source:
Baseball Reference May 31