Former Cy Young award winner C.C. Sabathia of the New York Yankees is 201 centimeters tall (6-foot 7-inches) and weighs 138 kilograms (304 pounds), giving him an obese body mass index (BMI) of 34. The pitcher, 34, is playing in his 15th MLB season.
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Fellow baseballer Prince Fielder of the Texas Rangers is a self-described vegetarian who is fast approaching 300 career home runs. His frame of 183 cm and 125 kg (6 foot, 275 lbs) also categorizes him as obese in terms of BMI.
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Glen "Big Baby" Davis of the Los Angeles Clippers has gone vegan in the past to curb his weight of 131 kg (288 lbs). Some doctors have advised against cutting meat, advocating a low carbohydrate, high fat diet instead.
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Davis is playing effective minutes in the Clippers' playoff run. At 206 cm tall (6-foot 9-inches), his BMI of over 30 qualifies him as obese -- however, the index is often criticized for not distinguishing between muscle and fat.
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English footballer Adebayo Akinfenwa is known as "The Beast" due to his imposing 105 kg (231 lbs) bulk. He plays in the lower leagues, now at AFC Wimbledon, and scored against top-flight team Liverpool in an FA Cup third-round match on January 5, 2015.
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Former rugby star Ollie le Roux -- pictured in action for South Africa during the 1999 World Cup -- weighed 137 kilograms (302 lbs) during his playing days. He has discredited the diet encouraged within rugby at the time.
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Recently traded to the Miami Dolphins, Ndamukong Suh (pictured in his former #90 at the Detroit Lions) is one of the fiercest pass-rushers in the NFL and a four-time Pro Bowler. He weighs 139 kg (306 lbs) and stands 193 cm tall (6 foot 4 inches), giving him a BMI of over 37.
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Golfer John Daly, who has won two majors, underwent lap-band surgery in 2009 to keep his weight in check.
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Irish golfer Shane Lowry, ranked 51st in the world, is a two-time winner on the European Tour. The 28-year-old weighs 102 kg (225 lbs) and stands 183 cm (6 foot) tall, giving him a technically obese BMI over 30.
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American shot-putter Reese Hoffa, who won a bronze medal at the 2012 Olympics, weighs in at 147 kg (324 lbs). His BMI of 45 is considered extremely obese.
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Super-heavyweight fighter Eric "Butterbean" Esch (L) has 77 career victories in the ring. At 193 kg (425 lbs), he is one of the heaviest professional athletes in history. His BMI of nearly 59 is beyond categorization on the scale.
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Moroccan footballer Adel Taarabt of English team QPR was accused by his former manager Harry Redknapp of being "about three stone (19 kg or 41 lbs) overweight" last year, although his BMI of 24 was considered normal.