Chuck Kobasew scored with 3:31 left in the third period, lifting the Boston Bruins to a 4-2 comeback win over the Toronto Maple Leafs on Tuesday night. Kobasew stepped into the slot and ripped a wrist shot past Vesa Toskala on the stick side, giving Boston a 3-2 lead and stunning the home crowd the Leafs blow a 2-0 lead.