Stanislas Wawrinka of Switzerland signs autographs for fans, after defeating Rafael Nadal of Spain during the men's singles final at the Australian Open tennis championship in Melbourne, Australia, Sunday, Jan. 26, 2014. (AP Photo/Andrew Brownbill)
Roger Federer of Switzerland walks off the Rod Laver Arena after his semifinal loss to Rafael Nadal of Spain during their semifinal at the Australian Open tennis championship in Melbourne, Australia, Friday, Jan. 24, 2014.(AP Photo/Andrew Brownbill)
Infiniti Red Bull Racing driver Sebastian Vettel of Germany exits his garage to drive the new RB10 Formula One car at the Circuito de Jerez on Tuesday, Jan. 28, 2014, in Jerez de la Frontera, Spain. (AP Photo/Miguel Angel Morenatti)
Infiniti Red Bull Racing driver Sebastian Vettel of Germany drives the new RB10 Formula One car at the Circuito de Jerez on Tuesday, Jan. 28, 2014, in Jerez de la Frontera, Spain. (AP Photo/Miguel Angel Morenatti)
Infiniti Red Bull Racing driver Sebastian Vettel of Germany exits his garage to drive his new RB10 Formula One car at the Circuito de Jerez on Tuesday, Jan. 28, 2014, in Jerez de la Frontera, Spain. (AP Photo/Miguel Angel Morenatti)
Memphis Grizzlies center Marc Gasol, left, of Spain, pulls in a rebound against Portland Trail Blazers center Robin Lopez during the first half of an NBA basketball game in Portland, Ore., Tuesday, Jan. 28, 2014. (AP Photo/Don Ryan)
Los Angeles Lakers center Pau Gasol, right, of Spain, reaches for a rebound along with Indiana Pacers center Roy Hibbert during the first half of an NBA basketball game, Tuesday, Jan. 28, 2014, in Los Angeles. (AP Photo/Mark J. Terrill)
Indiana Pacers center Roy Hibbert, right, puts up a shot as Los Angeles Lakers center Pau Gasol, of Spain, defends during the first half of an NBA basketball game, Tuesday, Jan. 28, 2014, in Los Angeles. (AP Photo/Mark J. Terrill)
Indiana Pacers guard Lance Stephenson, right, goes up for a dunk as Los Angeles Lakers center Pau Gasol, of Spain, defends during the first half of an NBA basketball game, Tuesday, Jan. 28, 2014, in Los Angeles. (AP Photo/Mark J. Terrill)