However, at his news conference, Emery said it was too soon to give an exact estimate. Emery said he will make a decision on whether Ozil can feature on Saturday based on whether he can join in the full team training session on Friday.
"He's working with us every day in training and playing in the under-23s with good feeling".
"I am very proud for our work and how every player responded in the 90 minutes".
"There is a big difference in class [between Manchester United and the Premier League top two] but it wasn't this game that showed us that, we knew that coming into this game because Liverpool and [Manchester] City, I think, are a cut above the rest in this league".
"The second half, I think our players worked to win".
At the end of it, though, United remain eight points off the top four, and you could not say they deserve to be any closer.
" Even in matches like today, where we played well we always shoot ourselves.""When are we thinking he will start playing with us?"
United welcome bottom side Fulham to Old Trafford on Saturday, looking to claim their first Premier League victory since November 2.
Though the goal restored Arsenal's lead at Old Trafford, their joy was short-lived. "We are getting better competitively". Usually, United create a lot of chances here.
At first glance, it seemed like it was Rojo who had the last touch; a couple of replays later, it did not.
Asked if he has enjoyed such a lengthy undefeated streak previously in his managerial career, the former Sevilla and Paris St Germain boss said: "I can't remember - maybe yes, maybe not. For us, for our confidence, our level in the competition and our way, I think we can think very positively".