Pierre-Emerick Aubameyang scored a superb hat-trick as Arsenal stormed into the Europa League final by winning 4-2 away to Valencia, progressing 7-3 on aggregate.
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Kevin Gameiro's early opener cut the deficit for Valencia, beaten 3-1 last week, but Aubameyang swiftly hit back for the Gunners at Mestalla on Thursday.
And when Alexandre Lacazette, who scored twice in the first leg, put Arsenal ahead, their place in the Baku final later this month was seemingly secure, despite this week's European drama.
Gameiro struck again but Aubameyang killed the tie off with a second goal of his own and Arsenal head coach Unai Emery, a three-time winner of the competition with Sevilla, will now have a chance to add a fourth title after downing former club Valencia.