Harry Kane must leave Spurs to join Manchester United or Manchester City, says Danny Murphy

Harry Kane is midway through a six-year deal at Spurs (Photo by Marc Atkins/Getty Images) Photographer: Marc Atkins Provider: Getty Images Source: Getty Images EuropeTottenham talisman Harry Kane has been warned he risks wasting his career at the club if he fails to angle for a move to rivals Manchester City or Manchester United this summer.The 27-year-old is on course to become the club’s record scorer, while he’s in contention to break Alan Shearer’s Premier League scoring re