Palace's first goal, scored in the 48th minute, was the 10th the Hammers have conceded in the first 15 minutes of the second half in Premier League games this season - more than any other club except Leicester. This was West Ham's 10th league defeat of the season, and they are 10 points above the relegation zone.

Mateta opened the scoring in the 48th minute with a strike from outside the box before sealing the victory in the 89th minute by converting a penalty past Lukasz Fabianski at London Stadium

Jean-Philippe Mateta bags brace as Crystal Palace beat Graham Potter’s West Ham - The French striker made it four goals in his last three matches as Oliver Glasner’s Eagles secured back-to-back away victories.