Castleford Tigers sign half-back Cory Aston after he was allowed to leave Super League rivals Leeds Rhinos.
Castleford Tigers half-back Jake Trueman signs a new three-year contract with the Super League side.
Warrington sign back-row forward Luis Johnson on a four-year deal from Castleford for a £45,000 fee.
Castleford Tigers re-sign winger former Leigh Centurions James Clare on a one-year deal.
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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