Arsenal’s Europa League hopes were left hanging by a thread after a 3-1 defeat to Rennes in their first leg meeting.
Arsenal had never lost an away game to a French side before this game and looked like continuing that record when Alex Iwobi’s cross found the back of the net.
Sokratis Papastathopoulos’ red card, however, changed the game. Benjamin Bourigeaud’s stunning strike drew the French side level before Nacho Monreal’s own goal put them in front.
Ismaila Sarr then added a late third with a smart header to put Rennes firmly on front ahead of their trip to the Emirates.
Here are four things we learned from the game: