It's safe to say there's bad blood between the Boston Bruins and Washington Capitals.

The teams met in the District on Wednesday night and an entertaining game - a 4-3 overtime win by the Capitals, after they blew a 3-0 lead - was overshadowed by three questionable hits, beginning with a Patrice Bergeron cross-check to the back of Matt Niskanen that sent the defender awkwardly into the boards.

Niskanen left the game with an upper-body injury and didn't return due to precautionary reasons. He'll be re-evaluated Thursday.

In the third period, Tom Wilson caught rookie Anton Blidh with a nasty shoulder to the chin - and Wilson may be hearing from the Department of Player Safety because of it.

Late in the frame, Capitals forward Jakub Vrana hit Bruins winger Tim Schaller right in the numbers close to the glass, leaving Schaller in need of some repairs:

It was a strange game - the Capitals were all over Bergeron after he took out Niskanen, and they essentially took the second and third periods off, firing only six pucks on net to Boston's 23 in the final 40 minutes. At one point, Washington went over 26 minutes without a shot on goal.

Nicklas Backstrom scored the overtime winner, on the one and only shot by either team in extra time.

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