Chelsea are leading the race to sign 19-year-old England midfielder Kobbie Mainoo, whose contract talks with Manchester United have reached a stalemate. (Mail) Meanwhile, Borussia Dortmund are monitoring Chelsea's 21-year-old Austrian-English attacking midfielder Carney Chukwuemeka. ( Sky Germany)

The Blues have invested heavily on midfielders, breaking the British transfer record twice in quick succession to recruit Enzo Fernandez and Moises Caicedo. Chelsea also beat off significant competition from Liverpool to sign Romeo Lavia who, after an injury hit first season, has shown real promise this term under Enzo Maresca.

Manchester United midfielder Kobbie Mainoo reportedly wants around £200,000-a-week to put pen to paper on a new deal at Old Trafford.Mainoo signed a new contract last year which ties him to United

Kobbie Mainoo is reportedly after £200,000-a-week as Manchester United attempt to tie the youngster down to a new contract amid strong transfer interest from Premier League rivals Chelsea. The midfielder is regarded as one of the best academy talents to have come out of Old Trafford in recent years,

Kobbie Mainoo is reportedly dissatisfied with Manchester United's initial contract offer, which is leading to uncertainty about his future. He seeks a significant pay rise, reportedly demanding £200,000 weekly.

Kobbie Mainoo is a name not many would have expected to be involved in transfer rumours this January. But that is the case as Manchester United look to ensure they remain compliant with Financial Fair Play and Profit and Sustainability Rules.

Manchester United have received more worrying news regarding the future of Kobbie Mainoo, who suddenly finds himself in the eye of a January transfer window storm.