Who or what will be the X Factor in Game 7 of the Toronto Maple Leafs-Boston Bruins Series?
Greg Wyshynski, senior NHL writer: Boston's Patrice Bergeron line. The numbers for Bergeron, David Pastrnak and Brad Marchand remain obscenely good for the series: a plus-45 in shot attempts against the Maple Leafs. But they're now just a plus-1 in goals at five-on-five after looking like they were going to carry the Bruins to victory in the first two games in Boston. Pastrnak has two assists in four games, and has scored in his past two. Marchand has one goal in his past four, and scoreless in his past two. Bergeron is scoreless in three, and missed Game 4 because of injury. Boston needs the best…
