FROM FAT TO FIT: Before And After Photos Of Athletes Who've Lost A Ton Of Weight

JaMarcus Russell, former Oakland Raiders quarterback

JaMarcus Russell after losing 51 pounds

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Ronaldo, former Brazil striker

Ronaldo after losing 37 pounds

Source: Yahoo!

Kendrick Perkins, Oklahoma City Thunder center

Kendrick Perkins after losing 32 pounds

Source: OKC Thunder

Nate Newton, former Dallas Cowboys offensive lineman

Nate Newton after losing 180 pounds

Source: USA Today

Lendale White, former Tennessee Titans running back

Lendale White after he said he lost 30 pounds by giving up tequila

Source: Nashville Scene

Ricky Hatton, boxer

Ricky Hatton the day before a fight two years later

Pablo Sandoval, San Francisco Giants third baseman

Pablo Sandoval after losing 38 pounds

Source: SB Nation

Josh Freeman, Tampa Bay Buccaneers quarterback

Josh Freeman after losing 20 pounds before the 2012 season

Source: PFT

Antone Davis, former NFL offensive lineman

Antone Davis after losing 202 pounds on the NBC show "The Biggest Loser"

Phil Taylor, darts champion

Phil Taylor after losing 35+ pounds

Source: The Sun

David Ortiz, Boston Red Sox DH

David Ortiz after losing 25 pounds

Source: Boston.com

BONUS: Rex Ryan, New York Jets coach

Rex Ryan after lap-band surgery

Unfortunately, cutting the pounds doesn't always last

FROM FIT TO FAT: Athletes Who Let Themselves Go >