Mikel Arteta surprisingly called on Eddie Nketiah from the bench before Aubameyang in the contest.
So, Arsenal, who parted company with the 32-year-old by mutual consent on deadline day, allowing him to sign a new deal with Barcelona, might suddenly feel short-changed after his whirlwind February.
Aubameyang was originally given a yellow card for the tackle by referee , however the card was eventually upgraded to a red card, by the , resulting in Aubameyang's first-ever red card for the Gunners and would mean that the striker would miss Arsenal's next three matches against , , and Arsenal's tie against.
He is Gabon's highest goalscorer.
Aubameyang also set up the Gunners' second goal, scored by Alexandre Lacazette.
The season was widely regarded as his breakout year—he appeared in the Ligue 1 team of the season and he won the Ligue 1 African Player of the Year award.