Juan Martin Del Potro of Argentina gestures as he plays against Fernando Verdasco of Spain in a Singles match during the Barclays ATP World Tour Tennis Finals in London...

Roger Federer of Switzerland plays against Fernando Verdasco of Spain in a Singles match during the Barclays ATP World Tour Tennis Finals in London...

NEW YORK - SEPTEMBER 09: Novak Djokovic of Serbia celebrates match point against Fernando Verdasco of Spain during day ten of the 2009 U.S. Open at the USTA Billie Jean...

Fernando Verdasco, of Spain, hits a forehand return during his 7-6 (4), 7-6 (5) win over...

...Spain, center, and the Spanish team from left, Feliciano Lopez, David Ferrer, captain Albert Costa and Fernando Verdasco celebrate with the Davis Cup trophy in Barcelona, Spain, Sunday, Dec. 6, 2009. David Ferrer beat...

...s team's members, from left, Feliciano Lopez, David Ferrer, Rafael Nadal, captain Albert Costa and Fernando Verdasco celebrate as they hold up the Davis Cup trophy in Barcelona, Spain, Sunday, Dec. 6, 2009...

...of the Spanish team, David Ferrer, left, captain Albert Costa, second left, Feliciano Lopez, unseen, and Fernando Verdasco as he bites the Davis Cup trophy in Barcelona, Spain, Sunday, Dec. 6, 2009. David Ferrer...

From left Spain's Feliciano Lopez, David Ferrer, Fernando Verdasco, Rafael Nadal and Albert Costa listen to Spain's national anthem during the Davis Cup award...

From left, Spain's David Ferrer, Albert Costa, Rafael Nadal and Fernando Verdasco hold the Davis Cup trophy to celebrate the end of the Davis Cup final's against...

Spain's Fernando Verdasco, left, David Ferrer, second left, and Feliciano Lopez, third left, celebrate after winning the Davis Cup...

From left: Spain's David Ferrer, Albert Costa, Rafael Nadal and Fernando Verdasco holding up the Davis Cup trophy, celebrate at the end of the Davis Cup final's...

Spain's Feliciano Lopez, right, and Fernando Verdasco celebrate after winning the Davis Cup trophy at Sant Jordi stadium in Barcelona, Spain, on Sunday...

Spain's Fernando Verdasco, right, and Feliciano Lopez celebrate after winning the Davis Cup trophy at Sant Jordi stadium in...

Spain's Fernando Verdasco, right, and Feliciano Lopez celebrate after winning the Davis Cup trophy at Sant Jordi stadium in...

Spain's Fernando Verdasco, left, sprays champagne over Rafael Nadal after winning the Davis Cup trophy at Sant Jordi stadium...