Former Manchester United center-back, Rio Ferdinand has admitted that the Red Devils should never have sold Jonny Evans in the past. According to Ferdinand, Evans was the ‘best defender’ at Man United when he left Old Trafford. Evans spent close to a decade at Man United during his first spell. He made 198 appearances and helped United win three Premier League titles. However, Evans fell out of favour under former Manchester United manager Louis van Gaal. The 36-year-old was later sold to West Brom for £8 million in 2015. The Northern Ireland defender was re-signed at the age of 35 in the summ…