Gibb left Ibrox club Rangers in the summer and has put pen to paper on a two-year deal with Old Firm rivals Celtic, according to the report, which also features pictures of the youngster signing the contract.
Celtic manager Brendan Rodgers
The youngster is also claimed to be friends with Billy Gilmour. The teenage midfielder joined Premier League giants Chelsea from Scottish Premiership club Rangers earlier this summer for a development fee reported by Sky Sports to be worth £500,000.
Rangers manager Pedro Caixinha
Both Celtic and Rangers are in action this weekend. While Brendan Rodgers’s side will take on Kilmarnock away from home at Rugby Park in the Scottish Premiership on Saturday afternoon, the Gers will face Heart of Midlothian at Ibrox in Glasgow in the league.