15-year-old JJ Gabriel asks to leave Manchester United ahead of record Brighton call-up

15-year-old JJ Gabriel has asked to leave Manchester United and cancel his academy registration, The Telegraph first reported. The request came a day before he was due to join the first-team squad for the Carabao Cup third-round tie, England's league cup, against Brighton at Old Trafford. He could have become the club's youngest-ever player.