Vancouver Whitecaps Martin Bonjour (white) heads the ball against D.C United Hamdi Salihi during the second half of their MLS soccer game in Vancouver, British Columbia March 24, 2012.   REUTERS/Ben Nelms    (CANADA)

Vancouver Whitecaps Martin Bonjour (white) heads the ball against D.C United Hamdi Salihi during the second half of their MLS soccer game in Vancouver, British Columbia March 24, 2012.   REUTERS/Ben Nelms    (CANADA)

(L) Vancouver Whitecaps John Thorrington jumps on top of Colorado Rapids FC Jeff Larentowicz while fighting for the ball during the second half of their MLS soccer game in Vancouver, British Columbia October 22, 2011.   REUTERS/Ben Nelms    (CANADA)

(L) Vancouver Whitecaps John Thorrington jumps on top of Colorado Rapids FC Jeff Larentowicz while fighting for the ball during the second half of their MLS soccer game in Vancouver, British Columbia October 22, 2011.   REUTERS/Ben Nelms    (CANADA)