The Boston Bruins needed overtime and three goals from David Krejci to win game four and take a 3-1 series lead over Toronto.The Leafs led 2-0 after the first period before the Bruins cranked up the offense in the second. Patrice Bergeron got Boston's first tally of the game, then Krejci scored two of his own.

After a scoreless third period the teams went to overtime tied at three. After 13 minutes of play Krejci ended it with his second career playoff hat trick.

Boston can now close out the series with a win in game 5 Friday in Boston.