The fifth major league manager is fired since the beginning of the season when Buck Martinez is let go by the 20-33 Blue Jays. The former catcher and broadcaster will be replaced by third base coach Carlos Tosca, who will pilot the team to a 58-51 (.532) record during the remainder of the season.

This Day In Baseball

On June 3, 2002 — The fifth major league manager is fired since the beginning of the season when Buck Martinez is let go by the 20-33 Blue Jays. The former catcher and broadcaster will be replaced by third base coach Carlos Tosca, who will pilot the team to a 58-51 (.532) record during the remainder of the season.

Source
Baseball Reference June 3