Manchester United needs to find the perfect long-term partner for Kobbie Mainoo and one young talent looking the prime contender. Kobbie Mainoo‘s emergence as an irreplaceable part of Erik ten Hag‘s squad this season has been incredible to watch. From being the 18-year-old kid making his full first-team debut against Everton and blowing everyone away with his composure and technical ability, he’s come a long way for Manchester United. Despite it only being around four months since his breakthrough after a return from injury, already he’s put the club on his shoulders on multiple occasions and …