Manchester United wonderkid JJ Gabriel has asked to leave the club in a shock move.The 15-year-old was recently labelled a ‘generational talent’ by Man United legend Ryan Giggs, who urged the club to keep him around.Wonderkid Gabriel has dropped a bombshell and asked to leave Man UnitedGettyHowever, just five days after scoring a hat-trick on his UEFA Youth League debut for the Red Devils’ U21s, he wants to quit.The teenage sensation, dubbed the ‘Kid Messi’, has sent a formal notice to cancel his registration with the club.He wants to become a free agent and has not yet signed a professional deal at Old Trafford as he’s not 16-years-old.But talkSPORT understands that Man United are still confident of resolving the issue with the young star.The club are unclear what has prompted the surprise decision.BBC Sport have reported that Gabriel’s future is up in the air after a ‘breakdown in relationship between family and club’.He was set to be included in Michael Carrick‘s first-team squad for their Carabao Cup tie against Brighton on Wednesday.Gabriel is yet to play a competitive game for United’s senior team, but did feature during pre-season this summer.This is a developing story and is being updated.For the latest updates, breaking news alerts, and comprehensive analysis, refresh this page or follow our real-time news coverage by watching and listening to talkSPORT live.For broader context, explore related coverage on our homepage for the top trending stories. For the latest talkSPORT videos, download the app.talkSPORT cares about getting it right, not just getting it first and because this is a developing situation, details will change. We will be updating this page constantly with verified info, expert takes, and official statements.Stay tuned for further developments as this story continues to break.