David Walters photos from the world championships

ROME - AUGUST 02: David Walters and Michael Phelps of the United States celebrate victory in the Men’s 4x 100m Medley Relay Final during the 13th FINA World Championships at the Stadio del Nuoto on August 2, 2009 in Rome, Italy. (Photo by Lars Baron/Bongarts/Getty Images)   (Lars Baron, Bongarts/Getty Images)

ROME - AUGUST 02: Aaron Peirsol, Eric Shanteau, and Michael Phelps help David Walters of the United States out of the water as they celebrate victory in the Men’s 4x 100m Medley Relay Final during the 13th FINA World Championships at the Stadio del Nuoto on August 2, 2009 in Rome, Italy. (Photo by Lars Baron/Bongarts/Getty Images)   (Lars Baron, Bongarts/Getty Images)

ROME - AUGUST 02: Paul Biedermann of Germany congratulates David Walters of the United States after the Men’s 4x 100m Medley Relay Final in the Men’s 4x 100m Medley Relay Final during the 13th FINA World Championships at the Stadio del Nuoto on August 2, 2009 in Rome, Italy. (Photo by Lars Baron/Bongarts/Getty Images)   (Lars Baron, Bongarts/Getty Images)

David Walters competes during the men’s 100m freestyle semi-final on July 29, 2009 at the FINA World Swimming Championships in Rome. (ALBERTO PIZZOLI/AFP/Getty Images)  (ALBERTO PIZZOLI, AFP/Getty Images)

Michael Phelps and teammates Ricky Berens and David Walters cheer the last relay Ryan Lochte (not pictured) during the men’s 4x200m freestyle final on July 31, 2009 at the FINA World Swimming Championships in Rome. The US team won gold. (MARTIN BUREAU/AFP/Getty Images)   (MARTIN BUREAU, AFP/Getty Images)

Michael Phelps, teammates David Walters and Ricky Berens cheer the last relay Ryan Lochte (not pictured) during the men’s 4x200m freestyle final on July 31, 2009 at the FINA World Swimming Championships in Rome. The US team won gold. (MARTIN BUREAU/AFP/Getty Images)   (MARTIN BUREAU, AFP/Getty Images)

The US team Aaron Peirsol, Eric Shanteau, US Michael Phelps and the last relay David Walters celebrate after the men’s 4x100m medley final on August 2, 2009 at the FINA World Swimming Championships in Rome. The US team won gold and set a new world record with 3:27.28. (MARTIN BUREAU/AFP/Getty Images)   (MARTIN BUREAU, AFP/Getty Images)

ROME - JULY 31: Ryan Lochte, David Walters, Ricky Berens and Michael Phelps (L) of the United States receive the gold medal and Kenrick Monk, Robert Hurley, Tommaso D’Orsogna and Patrick Murphy (R) of Australia receive the bronze medal during the medal ceremony for the Men’s 4x 200m Freestyle Final at the 13th FINA World Championships at the Stadio del Nuoto on July 31, 2009 in Rome, Italy. (Photo by Lars Baron/Bongarts/Getty Images)   (Lars Baron, Bongarts/Getty Images)