Bruins-Capitals Game 7 preview: Seven stats, players to watch and keys to victory » Patrice Bergeron, John Carlson, Matt Hendricks

How much will Patrice Bergeron be able to contribute? (AP)

How much will Patrice Bergeron be able to contribute? (AP)

Boston Bruins center Patrice Bergeron (37) works against Washington Capitals defenseman John Carlson (74) and left wing Matt Hendricks (26) for position during the first period of Game 4 in a first-round NHL Stanley Cup playoff hockey series, Thursday, April 19, 2012, in Washington. (AP Photo/Evan Vucci)