Mail Sport’s Man United Confidential revealed earlier this week that United’s medical department had ultimately decided that an operation was the best course of action and that Martinez would go under the knife before the end of the week.
Manchester United’s Argentine defender picked up the season-ending injury in the 2-0 defeat by Crystal Palace at Old Trafford on February 2.
The Argentine defender suffered the season-ending injury during the Red Devils' defeat by Crystal Palace earlier this month.
Manchester United defender Lisandro Martinez has undergone surgery to repair his torn ACL.
A year ago, he damaged the medial ligament in his right knee - but the injury didn’t require surgery and he was back eight games later.
