The Cottagers went into the game with the worst defensive record in the Premier League, but they remained firm at the back for most of the game. As long as Arsenal took a slow and contemplative approach to attacking, Rene Meulensteen's side could deal with most threats.
But Arsene Wenger obviously said something inspiring to his side at halftime, and the Gunners stormed out of the tunnel for the second half with a purpose. After tremendous pressure, Fulham broke twice, allowing Santi Cazorla to score a brace and allow Arsenal to hold on for the victory.
Here are six things we learned from the match.