Toronto Maple Leafs forward Max Domi was in disbelief when his slash on Matthew Tkachuk was called midway through the second period of their 6-1 loss to the Florida Panthers.

Maple Leafs forward Max Domi was fined $5,000 -- the maximum amount allowed by the league's CBA -- for boarding Panthers captain Aleksander Barkov in Game 4.

After incurring a late penalty against the Florida Panthers Sunday, Toronto Maple Leafs left wing Max Domi will pay the price. Domi is being fined $5,000 by the NHL—the maximum allowable under the league's collective bargaining agreement—for his hit on Panthers center Aleksander Barkov in the closing seconds of Florida's 2–0 second-round Game 4 win.