Sam Warburton was expected to return from injury but his retirement on Wednesday made him just the latest star to announce a shock decision.
Sam Warburton's retirement from rugby brought a strong response on social media, with Gareth Bale among those to wish him well.
Keo and former Springbok hooker James Dalton chat quarter finals and look back on the woeful seasons of the Stormers and Bulls in this...
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Northampton Saints and Leicester Tigers have moved their Premiership game on October 6 in aid of Rob Horne.
Following Sam Warburton's shock retirement, we recap his sublime career with Opta statistics.
Sam Warburton announced his shock retirement on Wednesday, prompting Warren Gatland to laud the "outstanding" rugby star.
Wales great Sam Warburton, 29, has retired from rugby after admitting "my body is unable to give me back what I had hoped for".