Liverpool legend Steven Gerrard admits that not playing under former Manchester United boss Jose Mourinho is one of the big ‘regrets’ his time in the Premier League. You can probably put the former Anfield skipper in the same camp as Matt Le Tissier and Alan Shearer. A player who accumulated so much respect after turning down numerous offers to leave his beloved, boyhood club, but also paid for his loyalty with a lack of medals. OK, Steven Gerrard won the Champions League, the FA Cup, the League Cup and the UEFA Cup in Liverpool colours. But there will never be Premier League winners’ medal in…