Regan Grace scored a hat-trick as St Helens turned on the style in the second half to inflict Wigan's eighth defeat of the season in the derby.
Down by only eight at half-time, Wigan weren't able to complete the comeback with the Saints running away to a 36-10 victory.
After sustained early pressure from St Helens, James Roby scored a trademaGrace the hero as Saints down the Warriors
Regan Grace scored a hat-trick as St Helens turned on the style in the second half to inflict Wigan's eighth defeat of the season in the derby.
Down by only eight at half-time, Wigan weren't able to complete the comeback with the Saints running away to a 36-10 victory.
After sustained early pressure from St Helens, James Roby scored a tradema
