Gallery - Sports Photos of the Week

Jockey Glen Boss enjoys an early morning gallop ahead of securing victory in this year's Cox Plate at Moonee Valley in Melbourne

Agnieszka Radwanska of Poland serves during day four of the TEB BNP Paribas WTA Championships

Discarded clothes litter the streets after the Dublin Marathon

Marco Scutaro of the San Francisco Giants hits the RBI single that wins the World Series in the 10th inning of Game 4 against Detroit

A high challenge between Manchester United's Rio Ferdinand and Chelsea's Fernando Torres at Stamford Bridge

Casey Stoner of Australia rides in the Australian MotoGP

Ballymun Kickhams defeated Kilmacud Crokes in the Dublin SFC final at Parnell Park

Participants pose for photographs during the Tough Mudder event at Raceway Park. Tough Mudder events are hardcore 10-12 mile obstacle courses designed by British Special Forces

Miles Austin of the Dallas Cowboys reaches for what would have been a game-ending pass against the New York Giants

A jockey pulls his goggles down as he makes his way to the start at Taunton Racecourse

Mark Clattenburg faces a police investigation following alleged racist comments made to Chelsea's Juan Mata and John Obi Mikel

Tina Maze of Slovenia competes in the FIS Alpine Ski World Cup Women's Giant Slalom in Austria

Sebastian Vettel seen here during practice for the Indian Grand Prix

Lionel Messi of Barcelona celebrates scoring his side's fifth goal against Rayo Vallecano

Australian motorcross rider Chad Reed flies above the circuit at Phillip Island

Sligo's Iarfhlaith Davoren - seen here dressed as John Terry - celebrates Rovers' title win

Theo Walcott celebrates scoring Arsenal's sixth goal against Reading in the English League Cup

The Legendary Kauto Star is retired after a long and successful career