LONDON, England (CNN) -- It only takes one injury to end an athlete's career. Anything that impairs an athlete's performance could mean they're no longer good enough for the top flight -- that's why the best athletes need the best treatment if they're to recover from injury. Owen Hargreaves (L) in action before his career was cut short by tendonitis. Manchester United star and England international footballer Owen Hargreaves is known for his versatility and exceptional work rate, but in 2008 his season was cut short by tendonitis. Hargreaves, 27, was told he would need surgery on both knees to save his career.
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The best athletes need the best treatment if they're to recover from injury
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Football star Owen Hargreaves was told he'd need surgery to save his career
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Dr Richard Steadman, knee specialist to the stars, is treating Hargreaves
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Boxer Michael Watson recovered slowly after sustaining severe brain injuries
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