Following a tumultuous week for the London club, which saw the Gunners lose to both Manchester City and Brighton & Hove Albion, the Reds were in need of a desperate win as they headed to the San Siro. And at the centre of everything positive for Arsenal was Mesut Ozil, who reminded the watching public why he remains the best "No.10" and playmaker in world football.
He didn't stop there either, as he provided another wonderful pass for Aaron Ramsey in the dying seconds of the first-half. Gino Gattuso was his usual emotional self on the touchline, kicking every ball for his team - and the manager certainly wouldn't have allowed such a low intensity performance in midfield if he was still playing for the Serie A giants.
Not surprisingly, Milan coach Gennaro Gattuso was far from happy after seeing his team's 13-match unbeaten run end. The Armenia global ensured it did not go to waste, maintaining his fine Europa League goalscoring record with a little help from a Leonardo Bonucci deflection. "He's a great teammate, a great man and I'll always carry him with me".
But the pessimism from plenty of Arsenal supporters actually stems from the fact they are wearing their blue away kit at the San Siro tonight and they reckon it's cursed.
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Arsenal will be hoping there are many more goals and assists to come from Ozil. He was the number one in so many ways, his death really hit me hard.
The last time the two side's met in the 2011/12 season, Milan thrashed the Premier League side 4-0 in the first leg of the Champions League last-16.
Conversely, the Gunners are coming off the back of four defeats - leaving their top four ambitions in tatters.
But the Arsenal boss also admitted that his team were a bit fortunate not to concede early, which could have led to a completely different game.