Tampa Bay Lightning center Steven Stamkos (91) is prevented from scoring by Boston Bruins defenseman Andrew Ference, behind, and goalie Tim Thomas (30) in the first period of Game 5 of the NHL hockey Stanley Cup playoffs Eastern Conference finals, in Boston on Monday, May 23, 2011. (AP Photo/Elise Amendola)

Photo by: Elise Amendola

Tampa Bay Lightning center Steven Stamkos (91) is prevented from scoring by Boston Bruins defenseman Andrew Ference, behind, and goalie Tim Thomas (30) in the first period of Game 5 of the NHL hockey Stanley Cup playoffs Eastern Conference finals, in Boston on Monday, May 23, 2011. (AP Photo/Elise Amendola)