Punishment for hits to head prevalent early in NHL playoffs

Boston's Zdeno Chara (33) shoves Toronto's Nazem Kadri (43) to retaliate for his late hit on the Bruins' Tommy Wingels (57), bottom left, as Maple Leafs' Mitchell Marner (16) starts to get up. (AP Photo/Elise Amendola)

George Parros is a busy man early in the Stanley Cup playoffs thanks to a rash of questionable hits around the NHL.