Jack Render has signed a 12-month deal with the Parksiders.
Render, 22, can play at fullback or in the threequarters and at 6ft 2in and 14 stones is a significant presence in attack and defence.
The former Featherstone Rovers and Sheffield Eagles player, who came through the Lock Lane production system, has played a couple of games for crack Castleford outfit Fryston.
