John Chayka has resigned as general manager of the Arizona Coyotes on the eve of the Stanley Cup Playoffs, the team announced on Sunday.

"John Chayka has quit as the General Manager and President of Hockey Operations of the Arizona Coyotes. The Club is disappointed in his actions and his timing as the Coyotes prepare to enter the NHL's hub city of Edmonton, where the team will begin post-season play for the first time since 2012," said the team in a statement. "Chayka has chosen to quit on a strong and competitive team, a dedicated staff, and the Arizona Coyotes fans, the greatest fans in the NHL."