Chicago Blackhawks center Jonathan Toews (19) celebrates his goal with right wing Patrick Kane (88) during the second period in Game 6 of the NHL hockey Stanley Cup Finals against the Boston Bruins, Monday, June 24, 2013, in Boston. (AP Photo/Elise Amendola)
Chicago Blackhawks right wing Patrick Kane, second from right, celebrates his goal against the Boston Bruins with teammates during the second period in Game 4 of the NHL hockey Stanley Cup Finals, Wednesday, June 19, 2013, in Boston. (AP Photo/Elise Amendola)
Chicago Blackhawks right wing Patrick Kane celebrates his goal against the Los Angeles Kings during the second overtime period in Game 5 of the NHL hockey Stanley Cup playoffs Western Conference finals, Saturday, June 8, 2013 in Chicago. (AP Photo/Charles Rex Arbogast)
Chicago's Patrick Kane, a product of the U.S. National Team Development Program, has scored at least 21 goals in each of his five NHL seasons. He scored 30 goals and had 58 assists in 2009-10 in helping the Blackhawks win the Stanley Cup. (Associated Press)
Chicago Blackhawks' Patrick Kane checks Washington Capitals' Troy Brouwer during the first period of an NHL hockey game in Chicago on Sunday, March 18, 2012. (AP Photo/Charles Cherney)
Patrick Kane, of the Chicago Blackhawks, wears a cape as he takes part in the breakaway challenge during the NHL All-Star skills hockey competition in Ottawa, Ontario, on Saturday, Jan. 28, 2012. (AP Photo/The Canadian Press, Sean Kilpatrick)