Arsenal are now 22 games unbeaten in all competitions and will look to carry on their fine form against Southampton on Sunday.
The Gunners extended their longest run without a defeat since November 2007 (28 unbeaten) after Thursday's 1-0 against Qarabag.
Unai Emery's men have scored a total of 35 goals this season, which is only bettered by Manchester City's incredible tally of 45.
Rob Holding will miss the rest of the season after suffering a cruciate ligament knee injury.
Danny Welbeck is ruled out with a broken ankle following his shocking injury against Sporting CP, but Aaron Ramsey and Mesut Ozil are both available after their recent injury problems.