By Jacob Leeks Bruno Fernandes was spotted limping out of the City Ground on Wednesday night to hand Erik ten Hag a major worry ahead of this weekend’s Manchester Derby. Fernandes played all 90 minutes as he inspired Manchester United to a win over Nottingham Forest in the fifth round of the FA Cup. The midfielder whipped in the free-kick that saw Casemiro head in a last-minute winner for the Red Devils. The goal was enough to send United through to the quarter-finals, where they will face Liverpool. Before that game though, Ten Hag’s side face huge clashes against Manchester City and Everton….