Super League side Castleford Tigers sign former Hull KR prop Mitch Clark on a two-year deal.
Castleford Tigers re-sign half-back Jamie Ellis from Huddersfield Giants on a three-year deal.
Leigh Centurions sign forward Larne Patrick from Castleford Tigers on a two-year contract.
England and Castleford's Zak Hardaker is provisionally suspended after testing positive for cocaine and will miss the World Cup.
Audio & Video
Danny McGuire scores two tries in his final game for Leeds Rhinos as they beat Castleford Tigers 24-6 to win a record eighth Super League Grand Final.
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