The Warriors have slipped to seventh on the National Rugby League ladder after losing 19-16 at Manly.
It was 16-16 late in the match and the Warriors spurned several chances at a field goal before Manly slotted a one-pointer, then a late penalty.
The Melbourne Storm also beat the Cronulla Sharks 24-4 at home while a late burst from the Bulldogs secured a 22-20 win over North Queensland in their NRL battle of the also-rans at Dairy Farmers Stadium.
