Sam Warburton announces shock retirement from rugby union aged 29

• Warburton cites ‘health and wellbeing’ as reason for retirement• Warren Gatland: ‘It is hugely disappointing Sam has retired’Sam Warburton, the British & Irish Lions captain for the last two tours, has confirmed his immediate retirement from all forms of rugby.The shock announcement has handed Wales a huge blow before next year’s World Cup and will leave head coach Warren Gatland without one of his best players for the tournament in Japan. Related: Sam Warburton: ‘You watch telly with everyone else to see if you’re in Lions squad’ Continue reading...