This means last night was a disapointing result for the Gunners, but how did they perform? Here are the player ratings for Arsenal's matchday five fixture against PSG;
David Ospina 7- Ospina has performed brilliantly for Arsenal in the Champions League so far this campaign. The Colombian shotstopper has been used in favour of Petr Cech for the Gunners in Europe and he's repaid the faith in Arsene Wenger with another solid display.
Carl Jenkinson 5- A tough night for the 24-year-old. Spent most of the game running back toward his own goal and rarely offerered his services as an attacking outlet. Hector Bellerin's abscence is certainly felt within this Arsenal team.
Shkodran Mustafi 5- An average all-round display from the centre half. A few erratic moments may have cost Arsenal on a different day. PSG forward Edison Cavani's movement proved troublesome all night.
Laurent Koscielny 6- Much like his defensive partner, Koscielny had a few nervy moments, which fortunately for Arsenal, weren't punished. A timely challenge to deny Cavani late on means the Frenchman gets a six rather than a five.
Kieran Gibbs 5- PSG's Lucas Moura proved a tricky customer for Gibbs, the Brazilian winger teased and tormented down the right hand side all night. However, Gibbs did show some impetus going forward and linked well at times with Alexis Sanchez.
Francis Coquelin 5- An early yellow card meant Coquelin had to tread lightly for the remainder of the game. As usual the combative midfielder was full of running and made a few nice interceptions.
Aaron Ramsey 5- Didn't get on the ball as often as he would've liked and as a result created very little. Made a couple of encouraging runs off the ball but had little influence on the game. Definitely looked more comfortable in the middle, as opposed to on the flank.
Alex Iwobi 4- It was a big occasion for Iwobi and at times it was visible in his performance. A few neat and tidy touches but no real moments of significance. The Nigerian international will be dissapointed with the part he played in PSG's equaliser too.
Mesut Ozil 5- Other than a quality reverse pass to find Alexis, who went on to win a penalty for Arsenal, there were no other moments of note. Struggled to find space, and when he did it was in wide areas.
Alexis Sanchez 6- Worked tirelessly as usual and won a penalty for his team. Perhaps dwelled on the ball a bit too often, but provided a calm head when needed.
Olivier Giroud 5- Tucked away his penalty with consummate ease, but didn't really trouble PSG's centre backs. Arsenal's lack of crosses in the box didn't help his cause.