Alexis Sanchez finished low past Thibaut Courtois to give the Gunners the perfect start, but he arguably could’ve been whistled for handball, or Aaron Ramsey for offside due to his position behind the defenders.
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The Chilean appeared to block a Chelsea clearance with his arm before Ramsey, in an offside position, briefly made a play for the ball before backing off and allowing Sanchez to take the ball from an onside position and score.
