Cowan’s three assists propelled the Toronto Marlies to a 4-3 win over the Chicago Wolves and American Hockey League supremacy on Friday night at Coca-Cola Coliseum. Never mind, let’s make a lot of it. The Maple Leafs’ farm team is the Calder Cup champion after all. “To be able to come down here and win a championship is something special,” said Cowan, who spent most of the season with the Leafs. “I’m just super proud of these guys. I mean, they grinded all year.