( CNN ) -- Australian golfer Robert Allenby has written a new chapter in the volume of bizarre sporting injuries after tearing knee ligaments in a fishing accident . The world No . 14 slipped on the deck his boat `` C'mon Aussie '' while on a weekend excursion in the Bahamas , and is expected to be out for at least three weeks after undergoing surgery . Allenby was forced to withdraw from next week 's U.S. PGA Championship , the final major tournament of the year . It 's not the first time the 39-year-old has had cause to rue his love of fishing . He almost sat out the U.S. Open in June after wrenching his left wrist and forearm when his boat ran aground . Allenby is just the latest sports star to suffer a freak injury away from the field of play . In our photo gallery above , CNN World Sport takes a look at 10 of the most unusual . If you disagree with our selections , let us know why in the comments section below .
Robert Allenby tears knee ligaments after slipping on his fishing boat . Allenby will miss U.S. PGA Championship next week after having surgery . He joins a list of sporting stars who have succumbed to unlikely physical problems . Rio Ferdinand , Sam Torrance and Kim Clijsters have also suffered bizarre injuries .