Giuseppe Rossi has responded to being asked whether Manchester United should consider appointing Roy Keane as their next manager as Erik ten Hag continues to struggle to silence his doubters. It is becoming increasingly difficult to imagine, from the outside, that Erik ten Hag will remain at Old Trafford next season. Manchester United have moved backwards in the Premier League this term. Meanwhile, their FA Cup semi-final win over Coventry City was about as uninspiring at it could get, with United throwing away a three-goal lead against the Championship side. Some think that ten Hag will be le…