Troy Deeney scored twice to steer Watford to victory and extend Crystal Palace’s run without a league win to nine games.
The captain put Watford into an early lead from the penalty spot, but Emmanuel Adebayor’s first goal for Palace drew the Eagles level.
Watford retook the lead with seven minutes left when Deeney drove home Ben Watson’s cross.
And Palace ended with 10 men after Pape Souare was shown a red card late on.
The Senegalese defender was shown a straight red by referee Robert Madley for a two-footed challenge on Valon Behrami.
More to follow