Houston's Ricardo Clark, left, helped shut down Seattle's offense

U.S. player Ricardo Clark (13) celebrates with his teammate Jonathan Spector after scoring during a World Cup 2010 qualifying soccer...

Midfielder Ricardo Clark scored his second career international goal

Cuauhtemoc Blanco of the Mexico national soccer team, center, fights for the ball against Ricardo Clark, left, and Michael Bradley of the U.S. during a World Cup qualifier soccer match at...

Seattle Sounders' Osvaldo Alonso avoids a sliding tackle by Houston Dynamo's Ricardo Clark during the first half of an MLS soccer match Sunday, Nov. 8, 2009, in Houston. (AP...

Seattle Sounder's Freddie Ljungberg brings the ball up field past Houston Dynamo's Ricardo Clark during the second half of an MLS soccer match Sunday, Nov. 8, 2009, in Houston. Houston...

Seattle Sounder's Brad Evans fends off Houston Dynamo's Ricardo Clark as he brings the ball up field during the second half of an MLS soccer match...

Seattle Sounders FC's Brad Evans, left, goes up for a header against Houston Dynamo's Ricardo Clark in the second half of a MLS playoff soccer game in Seattle, on Thursday, Oct. 29...

Houston Dynamo's Ricardo Clark, left, challenges Seattle Sounders FC's Osvaldo Alonso in the first half of an MLS playoff...

BLOEMFONTEIN, SOUTH AFRICA - JUNE 24: Ricardo Clark of USA goes past Xavi (L) and Cesc Fabregas of Spain during the FIFA Confederations Cup...

Ricardo Clark's controversial ejection left the U.S. down a man for much of the game

Costa Rican Walter Centeno (R) vies for the ball with US Ricardo Clark (L) during their FIFA World Cup South Africa-2010 qualifier match on June 3, 2009 at...

Ricardo Clark, left, and the Dynamo got off to a sizzling start in the SuperLiga

Houston's Ricardo Clark, left, and Patrick Ianni held the Sydney forwards in check all night

Ricardo Clark, left, and the U.S. battled to a draw against Mexico