Louis van Gaal left Marcus Rashford out of the squad today, instead choosing to play Anthony Martial up front.
However, with the rest of the squad still taking part in the warm-up ahead of kick off, Martial was seen going down the tunnel. Ander Herrera, who had been warming up with the subs, then took Martial’s place in warming up with the starting XI.
Rashford made his debut after Martial was injured in the pre-match warm up against FC Midtjylland. If Martial is injured again, this time United don’t have any strikers on the bench, meaning Wayne Rooney may play up front, with Herrera coming in behind.