Former Arsenal and England midfielder Paul Merson has warned that Manchester United will be left regretting their failure to secure the signing of JJ Gabriel, who has agreed to join Real Madrid. Merson described Gabriel as a player who "could have been a superstar" and suggested United will be "gutted" by the move.
'He could have been a superstar' - Paul Merson warns 'Manchester United will be gutted' as JJ Gabriel agrees Real Madrid move
