Champions St Helens are at home to Warrington Wolves. Warrington have won their last five away matches against Saints, including all four Super League games they have played at Langtree Park. Leeds play Wigan at Headingley in what is always one of the most intense fixtures of the season. Leeds won their opening four matches of the year but Wigan recorded just one win in the opening month. Castleford are at home to Salford, Wakefield face Huddersfield, Hull FC take on Catalans and Widnes play Hull KR.