Arsenal got their Europa League campaign off to a strong start on Thursday night, beating Vorskla Poltava 4-2 at the Emirates Stadium.
Unai Emery made eight changes to the side that beat Newcastle 2-1 on Saturday.
Despite a number of key players being rested, the Ukrainian club - who did manage two late consolation goals - simply could not compete with Arsenal.
Gabonese striker Pierre-Emerick Aubameyang broke the deadlock in the 32nd minute and Danny Welbeck doubled Arsenal's advantage soon after half-time.
Aubameyang doubled his tally in the 56th minute before Mesut Ozil came off the bench to make it 4-0.
Great things were expected of Nigerian winger Alex Iwobi when he broke into the Arsenal first team as a teenager.
The 22-year-old has struggled in the last couple of seasons but was given the opportunity to impress on the left-flank against Vorskla.
Arsenal fans on Iwobi
Iwobi produced a Man of the Match performance and was given a standing ovation when he was substituted in the 70th minute.
Arsenal are short of options on the flanks - and plenty of Gooners seem to think Iwobi might be the best option in Emery's system.
Perhaps we might see more of him in the Arsenal first team in the coming weeks.
Plenty of Arsenal fans also believe that Iwobi looks a far better player now that Wenger has gone.
Iwobi could be in the starting XI when Arsenal host Everton in the Premier League on Sunday afternoon.
Aubameyang has been preferred on the left-flank recently but the former Borussia Dortmund hitman looked far more dangerous playing up front against Vorskla.
Difficult decisions await Unai Emery.
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