A 14-minute hat-trick from Alexis capped off a memorable Arsenal display, as we carried out a 5-1 routing of West Ham United.
Mesut Ozil opened the scoring, with the score staying at 1-0 as we edged towards the final 20 minutes.
Alexis then found the net for the first time with an angled drive, before adding a second with an inch-perfect low shot.
Alex Oxlade-Chamberlain then came to the fore with a thumping effort from distance, before Alexis completed his treble by dummying a shot and sending Darren Randolph to ground before scooping the ball into the net.
Watch all of the best moments from London Stadium in the video above.
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