WARRINGTON, ENGLAND - SEPTEMBER 29: Mark Percival of St Helens is tackled by Ashton Sims of Warrington Wolves during the First Utility Super League Semi Final match between Warrington Wolves and St Helens at The Halliwell Jones Stadium on September 29, 2016 in Warrington, England. (Photo by Alex Livesey/Getty Images)

WARRINGTON, ENGLAND - SEPTEMBER 29:  Mark Percival of St Helens is tackled by Ashton Sims of Warrington Wolves during the First Utility Super League Semi Final match between Warrington Wolves and St Helens at The Halliwell Jones Stadium on September 29, 2016 in Warrington, England.  (Photo by Alex Livesey/Getty Images)