Manchester United head coach Ruben Amorim has admitted that he's "fighting for his job" in the second half of the season while accepting that the club has taken "a risk" with their approach in the January transfer window.

Manchester United are likely to be without Lisandro Martinez for a long time. Earlier today, it was confirmed that the Argentina international injured his anterior cruciate ligament (ACL) during his side’s 2-0 defeat to Crystal Palace last weekend.

Manchester United have confirmed that center back Lisandro Martinez has suffered an ACL injury. MORE — Man United vs Crystal Palace recap Martinez was stretchered off the Old Trafford pitch in tears after suffering the injury in the 2-0 defeat against Crystal Palace on Sunday.