Willy Kambwala made this Manchester United breakthrough during the injury crisis last season but has now made a surprising decision. For Manchester United, this summer has seen the centre of defence take priority with as many as three arrivals being worked on right now. This comes after a season of defensive injuries and in which Erik ten Hag’s side conceded more than a fair share of goals and shots. But it wasn’t all bad, with academy starlet Willy Kambwala finally getting his breakthrough, impressing in particular against Liverpool. Now though, he’s taken a shocking decision over a contract …