He still had it all to do - Mesut Ozil’s pass had found Alexis in the penalty area, but with Maya Yoshida and Jack Stephens standing between the forward and Fraser Forster, his route to goal was blocked.
But with one swift movement, Alexis put both defenders on the floor, before calmly slotting past Southampton’s goalkeeper. A truly excellent finish.
“I think the goal that he has scored tonight showed what he is about,” Arsène Wenger said in his post-match press conference. “Very good technique in a short space, he scores important goals.