Sport: 24 hours in pictures

An athlete competes in the men's long jump final during the IAAF World Athletics Final at Kaftazoglio stadium, Thessaloniki Photograph: Yiorgos Karahalis/Reuters

Blanka Vlasic of Croatia gestures during the high jump final Photograph: Yiorgos Karahalis/Reuters

Belgium's Kim Clijsters lifts the trophy after winning the US Open final Photograph: Jason O'Brien/Action Images

Roger Federer plays Novak Djokovic in their men's semi-final Photograph: Mario Tama/Getty Images

A ballboy waits for a break in play as Federer defeats Djokovic at Flushing Meadows to earn a place in the final against Juan Martín del Potro Photograph: Justin Lane/EPA

Mike Bell of the New Orleans Saints is tackled by Larry Foote and two other players from the Detroit Lions at the Louisiana Superdome Photograph: Chris Graythen/Getty Images

Green Bay Packers running back Ryan Grant is swamped by fans after rushing for a touchdown during the first half of their NFL game against the Chicago Bears Photograph: Jeffrey Phelps/AP

Pachuca striker Juan Carlos Cacho, right, is beaten to the ball by Ismael Iniquez of Pumas during their Mexican league championship match at the University Stadium in Mexico City Photograph: Henry Romero/Reuters

Seattle Mariners' Jack Hannahan tags up to first base on a fly ball against Texas Rangers in the third inning of their MLB game in Arlington, Texas Photograph: Mike Stone/Reuters