A penalty from Leighton Baines just before the half-hour mark and a 43rd-minute effort from Kevin Mirallas allowed the Toffees to keep the pressure on fourth-placed Arsenal as they chase a possible Champions League spot.
"We had a disappointment in midweek against Palace, so today it was probably a must-win game," the defender told Sky Sports.
"We knew that it was going to be difficult, but the manager made us forget about Palace very quickly and move on to this game, and thankfully we got the three points.
"It was very important for us. Now we have to move on and finish the season as strongly as we can and hopefully get the fourth spot."
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