Arsène Wenger has identified Alexis' second goal as the pivotal point in Thursday’s victory over West Bromwich Albion.
The Chile international gave Arsenal the lead after six minutes at Emirates Stadium, and doubled the hosts’ advantage with a free-kick shortly before half-time.
Having relinquished a one-goal lead late on against Crystal Palace on Sunday, Wenger was relieved to see his team go into the break firmly in control.
"We scored the second goal in the first half and after that the game was never in doubt"
“On Sunday I couldn’t see us dropping points at some stage, but you know that as long as you don’t score the second goal, you have that problem,” the boss told Arsenal Player. “Tonight we scored the second goal in the first half and after that the game was never in doubt.
“Overall we had a dominating game, where we played well technically. Our fluency was there, our runs were good, as were the number of chances we created.
“The only regret we have is that we didn’t make enough of the chances we created.
“It was important to win again. The positions in the table at the moment are not definite so we know that we have a battle with that.
“Overall I think it was important to be back in a strong position and to win games for the confidence of the players.
“We were in the lead against Crystal Palace and West Ham and couldn’t win the games so it was important tonight not to concede and to win the game in a comfortable way.”
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