He said: "We didn't do ourselves justice in the first half".
In the aftermath of Friday's game, Arsene Wenger admitted that his side had been "frozen" in the first half.
Mesut Ozil scored the fifth goal of the Arsenal vs Liverpool match.
The Reds' two-goal lead was short-lived, though, as within six remarkable minutes a resurgent Arsenal was in front. It was a surprise for home and away supporters alike that Arsenal's ordeal had not resulted in more goals for Liverpool in the first half - the Kops dazzled but failed to convert their plethora of chances.
Along with the massive history and rivalry between the two sides the anticipation for tonight's game against Liverpool has been amplified even more.
The play began from some lackluster defending by Arsenal on a throw in and Liverpool is a team that will punish lazy defending, unless they're playing Everton.
London Zoo fire kills one animal, several still missing
Unfortunately, the zoo confirmed in a statement that a 9-year-old aardvark named Misha perished in the fire. Earlier, LFB confirmed 10 fire engines and 72 firefighters and officers were dispatched to the scene.
Sadio Mane has scored in each of his last three Premier League games against Arsenal, and only four players have previously scored in four consecutive PL games against the Gunners - Tomasz Radzinski and Peter Beardsley (four in a row) and Jimmy Floyd Hasselbaink and Harry Kane (five). The equalizer from Xhaka was as much due to an optimistic yet blistering strike from the Swiss as it was due to Simon Mignolet's erroneous shotstopping.
Arsenal have lost their last three Premier League games against Liverpool - they haven't lost four in a row against them since May 1998.
To complete a insane six minutes of action, Arsenal took the lead on 58 minutes.
It seemed unlikely that would be the end of the drama and so it proved as Firmino turned and struck a powerful left-foot shot that Cech could only parry and the ball looped into the net.
The last round of games before Christmas is headlined by a hugely anticipated clash between Arsenal and Liverpool.
We demand more Friday night lights at the Emirates.
Going into the game, Arsenal haven't been on the best of runs, scraping wins in the past week after disappointing draws but with all that could be at stake in this game you'd hope this'll bring out that "determined attitude" come kick-off.