B.J. Birdie, mascot of the Toronto Blue Jays, is ejected from Toronto’s game against Minnesota by umpire Jim McKean after making gestures which the ump finds offensive. The Blue Jays go on to lose the game, 2 – 1.

On May 21, 1993 — B.J. Birdie, mascot of the Toronto Blue Jays, is ejected from Toronto’s game against Minnesota by umpire Jim McKean after making gestures which the ump finds offensive. The Blue Jays go on to lose the game, 2 – 1.

Source:
Baseball Reference May 21