Mitch Marner sure needed a night like that. The second hat trick of his NHL career. The shootout winner in a game his team nearly let slip away (again). An emphatic performance, more generally, of almost 25 minutes, two nights after he took a puck to the face at what felt like the low point of a season-long slump. “I mean, obviously, it feels really good,” Marner said after the Maple Leafs’ 4-3 shootout victory over the Seattle Kraken. “I haven’t been happy with my own game play. I haven’t been my best and haven’t helped this team win enough games, playing my best to have an...