Super substitutions made by Palace ushering in Bakary Sako and James McArthur turned things around as the duo scored two late goals to lift Crystal Palace out of the bottom three for the first time this season.
Watford seemed to be celebrating their fifth away win of the season after Daryl Janmaat’s third-minute goal, but their balloon of joy got burst so soon after the
But after the superb Richarlison went off injured and Tom Cleverly was sent off after 87 minutes for a second yellow card, Roy Hodgson’s side staged a stirring comeback.
After 89 minutes, Wilf Zaha cut in fron the left and Heurelho Gomes could only push away his shot.
The Brazilian keeper saved Sako’s first shot but the Malian winger scored from the rebound.
Palace are now undefeated in six games while Watford have now gone four games without a win.