Runners and race fans crowd Boyslton Street at the Boston Marathon finish line, one day before the race, Sunday, April 20, 2014, in Boston. (AP Photo/Robert F. Bukaty)
A large crowd gathers to pose for photos at the Boston Marathon finish line, one day before the race, Sunday, April 20, 2014, in Boston. (AP Photo/Robert F. Bukaty)
Boston Bruins' Zdeno Chara (33) stares at Detroit Red Wings' Brendan Smith during the first period of Game 2 of a first-round NHL hockey playoff series in Boston Sunday, April 20, 2014. (AP Photo/Winslow Townson)
Boston Bruins defenseman Torey Krug (47) stops Detroit Red Wings' Luke Glendening (41) from getting around him during the first period of Game 2 of a first-round NHL hockey playoff series in Boston, Sunday, April 20, 2014. (AP Photo/Winslow Townson)
Boston Bruins goalie Tuukka Rask makes a save against the Detroit Red Wings during the first period of Game 2 of a first-round NHL hockey playoff series in Boston Sunday, April 20, 2014. (AP Photo/Winslow Townson)
Boston Bruins' Justin Florek is congratulated at the bench after scoring a goal as Detroit Red Wings' Tomas Tatar (21) skates to the bench during the first period of Game 2 of a first-round NHL hockey playoff series in Boston Sunday, April 20, 2014. (AP Photo/Winslow Townson)
Boston Bruins' Milan Lucic, left, scores on Detroit Red Wings goalie Jimmy Howard during the second period of Game 2 of a first-round NHL hockey playoff series in Boston Sunday, April 20, 2014. (AP Photo/Winslow Townson)