Manchester United legend Rio Ferdinand has confessed to believing that Chelsea have the best centre-back in the Premier League.It comes after a masterclass performance from players and coach for the Blues against Tottenham.Chelsea are top of the Premier League after beating their London rivals 3-0 away from Stamford Bridge.It continues the club's fine form under Thomas Tuchel, with many tipping him to lead them to Premier League glory this season ahead of Manchester City.One of the main reasons for Chelsea's successful start has been their fine defence, who have conceded just once in the league - a penalty against Liverpool.And a star man at the back has been Antonio Rudiger, who has gone from strength to strength under Tuchel.The Germany.
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