Solomona switched to Cas from London at the end of 2014, after an impressive opening campaign in England.
He switched to the UK after the 2013 campaign, due to a lack of first team opportunities at Melbourne Storm.
Solomona's career took off at London, and his eight tries in 20 games helped secure him a transfer to West Yorkshire.
Denny can play in the centres, on the wing or at full-back, and is a raw but talented player with a big future in the game.
Denny is sponsored by Sys Servers Scada.
Super Leauge stats include all weekly rounds, previous playoffs, 'Super 8's' and any finals.
Challenge Cup stats includes all rounds the team was involved in.
Photo courtesy of SWPix.