The Bruins ' defensive strategies kicked in during the second half of the third period .
Were instrumental in allowing Toivonen to shut the door , while the Lightning 's Denis made life frustrating for the Bruins forwards as well .
The Bruins ' defensive strategies kicked in during the second half of the third period and were instrumental in allowing Toivonen to shut the door , while the Lightning 's Denis made life frustrating for the Bruins forwards as well .