Daryl Powell watched prop Robbie Mulhern lead from the front as Warrington downed the coach's former club Castleford and said: "He was fantastic with his line speed."
The 27-year-old Yorkshireman was signed from Hull KR ahead of last season, when he was mainly used from the bench by Steve Price.
But the Leeds product, who has represented bothAlready a subscriber? Log in here
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