Radek Stepanek of the Czech Republic throws his head back as he cries out after missing a shot in his quarterfinals match against Juan Martin del Potro of Argentina during the Sydney International tennis tournament in Sydney, Australia, Thursday, Jan. 9, 2014. (AP Photo/Rob Griffith)
Juan Martin del Potro of Argentina plays a forehand shot in his quarterfinals match against Radek Stepanek of the Czech Republic during the Sydney International Tennis Tournament in Sydney, Australia, Thursday, Jan. 9, 2014. (AP Photo/Rob Griffith)
Philadelphia Flyers' Wayne Simmonds, right, tries to keep Montreal Canadiens' Tomas Plekanec, of the Czech Republic, away from the puck during the second period of an NHL hockey game, Wednesday, Jan. 8, 2014, in Philadelphia. (AP Photo/Matt Slocum)
Montreal Canadiens' Tomas Plekanec, left, of the Czech Republic, celebrates with Brian Gionta after Plekanec's goal during the second period of an NHL hockey game against the Philadelphia Flyers, Wednesday, Jan. 8, 2014, in Philadelphia. (AP Photo/Matt Slocum)
Lucie Safarova of the Czech Republic plays a shot to fellow countrywoman Petra Kvitova during their women's singles match at the Sydney International tennis tournament in Sydney, Wednesday, Jan. 8, 2014. (AP Photo/Rick Rycroft)
Calgary Flames' Joe Colborne (8) battles Phoenix Coyotes' Rostislav Klesla (16), of the Czech Republic, and Mike Ribeiro (63) for the puck during the first period of an NHL hockey game, Tuesday, Jan. 7, 2014, in Glendale, Ariz. (AP Photo/Ross D. Franklin)