Sport pictures of the week

Singapore, September 19: The Singapore grand prix street circuit. The lighting system requires 110,000m of power cables, 230 steel pylons and around 1,500 light projectors with a power requirement of 3,180,000 watts Photograph: How Hwee Young /EPA

Paris, France, September 20: Stade Francais' Sergio Parisse tries to break away from the Brives defence Photograph: Martin Bureau /AFP

Denver, US, September 21: New Orleans Saints running back Reggie Bush is tackled by the Denver Broncos defense Photograph: Rick Wilking /Reuters

Louisville, US, September 20: European Ryder Cup team members Graeme McDowell and Miguel Angel Jimenez wait to putt on the 17th green during their foursomes match against the US Photograph: Eddie Keogh/Reuters

New York, US, September 21: New York Yankees' Jorge Posada embraces former Yankee Yogi Berra before the final regular season game at Yankee Stadium Photograph: Mike Segar/Reuters

Sydney, Australia, September 21: The shadow of a runner going through a water station during the Sydney Running Festival half marathon Photograph: Ezra Shaw/Getty

Atlanta, US, September 21: Wide receiver Roddy White of the Atlanta Falcons celebrates his touchdown against the Kansas City Chiefs Photograph: Doug Benc/Getty

Dover, US, September 21: Greg Biffle plays to the crowds after winning the Nascar Sprint Cup Series Photograph: Chris Graythen/Getty

Marseille, France, September 21 : Olympique Marseille's Mamadou Niang grimaces after missing a scoring opportunity Photograph: Jean-Paul Pelissier/Reuters

Buenos Aires, Argentina, September 21: Argentina's Juan Martin del Potro is sprayed with champagne by team-mate David Nalbandian after he defeated Russia's Igor Andreev during their Davis Cup tie Photograph: Marcos Brindicci/Reuters

Stoke, UK, September 23: Stoke City's Lewis Buxton can't bear to look during their penalty shoot-out against Reading to decide their Carling Cup match Photograph: Barrington Coombs/EMPICS

Melbourne, Australia, September 24: A swimmer does laps in the warm-up pool on day five of the Australian Short Course Championships Photograph: Quinn Rooney/Getty

Stuttgart, Germany, September 24: Cacau of VfB Stuttgart celebrates a goal during his team's German Cup victory over Arminia Bielefeld Photograph: Alex Grimm/Reuters

Nottingham, UK, September 25: Hampshire's Imran Tahir bowls during the County Championship Division One match against Nottinghamshire Photograph: Gareth Copley/Press Association