Roy Keane told Erik ten Hag to resign from Man Utd. Erik ten Hag and Roy Keane shared a light-hearted exchange after Manchester United's FA Cup final win ended a difficult season in fine fashion. The Dutchman's future is in serious doubt despite guiding United to a 13th FA Cup triumph at Wembley Stadium, beating Manchester City 2-1. Erik ten Hag has won two major trophies at Man Utd. The 54-year-old went on to enjoy a successful debut season at United, finishing third in the Premier League and reaching the FA Cup final.