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.

Chido Obi-Martin is only 17 but, as a prolific Man United striker, he could force his way into the first team squad this season.

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.

Manchester United defender Lisandro Martinez could sit out the rest of the season after the Premier League club said the Argentina international suffered an anterior cruciate knee ligament injury in Sunday's 2-0 home loss to Crystal Palace.

Manchester United defender Lisandro Martinez has suffered a cruciate knee ligament injury which the club believe is set to rule him out for the rest of the season.

Manchester United defender Lisandro Martinez has sustained a cruciate ligament injury, the club said on Thursday. The Argentina international was carried off on a stretcher in United's 2-0 loss to Crystal Palace in the Premier League last Sunday.