Manchester United unveiled two defenders at Old Trafford on Sunday in Patrick Dorgu and Ayden Heaven, and another who was expected to leave Old Trafford remains - for now - in Tyrell Malacia. Those players may be needed even more now as Lisandro Martinez looks set for an extended spell on the sidelines after being carried off on a stretcher in

Lisandro Martínez will miss the rest of the season after the Manchester United defender suffered an anterior cruciate ligament (ACL) injury against Crystal Palace, according to reports in Argentina.

Manchester United's Lisandro Martinez holds his knee after an injury during the English Premier League soccer match between Manchester United and Crystal Palace at Old Trafford st