Cleveland Cavaliers' standout LeBron James pretends to take a picture before their NBA game against the Washington WizardsPhotograph: Jonathan Ernst/ReutersIn this combination of images De Luain Gorm falls and loses jockey G Gallagher in the John Smith's Fox Hunters' Chase during the first day of the Grand National horse race meeting at AintreePhotograph: Peter Byrne/APRuby Walsh who was un-seated by Star De Mohaison (not pictured) watches as Denman finishes without jockey Sam Thomas (not pictured)Photograph: Scott Heavey/Action ImagesA worker cuts the grass printed with a giant Malaysian flag at the Sepang International Circuit ahead of the grand prixPhotograph: Stringer/Malaysia/ReutersKimi Raikkonen of Finland and Ferrari drives during practice for the Malaysian grand prix at SepangPhotograph: Paul Gilham/Getty ImagesPablo Martin of Spain plays a tee shot on the ninth during the first round of the Estoril Open de Portugal Photograph: Stuart Franklin/Getty ImagesKenyan player Bennedict Nyambu, right, and Japan's Alisi Tupuailei vie for the ball during their match at the International Rugby Sevens Adelaide tournamentPhotograph: William West/AFP/Getty ImagesBritain's Carol Galashan and Helen Galashan compete on their way to win the bronze medal of the women's 10m Synchro event, at the European Diving Championships in Turin, ItalyPhotograph: Massimo Pinca/APAnaheim Ducks' Teemu Selanne, of Finland, celebrates after scoring against the Vancouver Canucks in the NHL in VancouverPhotograph: Darryl Dyck/APSerena Williams celebrates after winning her semi-final against Venus Williams at the Sony Ericsson Open, FloridaPhotograph: Clive Brunskill/Getty ImagesRafael Nadal of Spain returns a shot against Juan Martin Del Potro of Argentina during the quarter-finalsPhotograph: Al Bello/Getty ImagesMilwaukee Bucks' Ramon Sessions passes to team-mate Luc Mbah a Moute, during their game against the Philadelphia 76ersPhotograph: Michael Perez/APNew Zealand's Tim Southee appeals unsuccessfully for the wicket of India's Yuvraj Singh during their third international Test match in Wellington Photograph: Anthony Phelps/ReutersRomania's Sandra Raluca Izbasa performs on the beam during the qualifications of the third European Women's Artistic Championships in Assago, near MilanPhotograph: Damien Meyer/AFP/Getty Images