The Gunners head coach is aware that his team has to maintain perfection to stay with Liverpool and Manchester City.
While they are not the favourites to win the league, Arsenal are determined to go all the way.
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"You always ask me this question and I never get it right," he joked with reporters when asked how many points would be required to win the league this weekend.
"The demands, you might have to win every game. I don't know. I have no clue.
There are a lot of games and we are all going to have crazy schedules and this league might be different to last season. Anything under 90 points I think would be very difficult."