Manchester United legend Rio Ferdinand has admitted that one legendary former striker was his toughest opponent ahead of Brazil icon Ronaldo. Rio Ferdinand had a prolific playing career at Old Trafford after iconic former manager Sir Alex Ferguson signed him from Leeds United in 2002. The 45-year-old former Manchester United defender spent the majority of his Red Devils career under Sir Alex Ferguson and hoovered up the silverware at the club. Ferdinand lifted six Premier League titles, a Champions League and two League Cups under Ferguson before the legendary Scotsman retired in 2013. The foo…
