" Even in matches like today, where we played well we always shoot ourselves."
"You've got to take the positives from somewhere and that's the job of the management to say: 'Right, there were certain things we can take positives from, then build on it'". "We are going to wait, it is his knee".
Aaron Ramsey also had to come off at half-time with an ankle problem, but Emery said that only appears to be a "small injury".
But the draw means Arsenal still haven't won in the league at Old Trafford since 2006, although they extended their current unbeaten streak to 20 games in all competitions.
"We couldn't control for the full 90 minutes".
"Every supporter needs to feel that with us, and push like they pushed against Tottenham". Everyone who loves football will see that this was a good match for us.
"He's working with us every day in training and playing in the under-23s with good feeling".
"The second half, I think our players worked to win".
To make matters worse, Lacazette's joy lasted just a matter of seconds at Old Trafford, with United scoring virtually straight from kick-off as the spoils were shared in a 2-2 draw. "I think that's a big part of it".
Former France defender Laurent Koscielny could come into the matchday squad, after twice playing for Arsenal Under-23s, either on Saturday or next week against Qarabag in the Europa League.