With a 5-3 victory over Barcelona on Thursday, Arsenal completed their preseason tour of the US.
The Gunners were seeking redemption after losing to Manchester United by the score of 2-0 in the Premier League.
But they initially gave in to a Robert Lewandowski goal.
Bukayo Saka quickly restored parity before failing to convert a penalty kick to give the Gunners the lead.
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Raphinha’s deflected free kick gave Barca a 2-1 lead, but Kai Havertz ensured that the score remained equal going into halftime.
Before Ferran Torres pulled one back, Leandro Trossard seized a brace.
However, Fabio Vieira’s magnificent long-range goal gave Los Angeles the victory.