Dylan Hartley, former England captain, retires from rugby because of injury

• ‘My career wasn’t perfect but I wouldn’t have it any other way’• Hartley missed World Cup with longstanding knee injuryDylan Hartley insisted he would not change a thing about his career after announcing injury had forced the former England captain to retire.The 33-year-old won 97 caps, the most by any England hooker, and led his country to two Six Nations titles – one of which was a grand slam– and a first away series win in Australia having taken over the captaincy following Eddie Jones’s appointment as coach. Related: Saracens face further fine for failing to show up for Champions Cup lau…