straight to your inbox every day for freeManchester United legend Bryan Robson admits he would like to see his old club sign Jack Grealish.United were keen on signing Grealish last year but the player signed a new contract at Villa Park after they secured Premier League survival.Robson still feels as though the England international would be a good addition to the United squad. "It was a good decision giving him [Jack Grealish] the [Aston Villa] captaincy.