Warrington's treble hopes suffered a blow as they went down to the resurgent Saints 20-18.
A Mark Percival penalty midway through the second-half was the only difference between the sides, securing a sixth straight victory for Keiron Cunningham's side.
The visitors held a 12-6 lead at half-time thanks to scores through Louis McCarthy-ScarsbroSaints topple Warrington in Super 8s opener
Warrington's treble hopes suffered a blow as they went down to the resurgent Saints 20-18.
A Mark Percival penalty midway through the second-half was the only difference between the sides, securing a sixth straight victory for Keiron Cunningham's side.
The visitors held a 12-6 lead at half-time thanks to scores through Louis McCarthy-Scarsbro
