Luke Gale scores 18 points as Castleford ultimately cruise to victory in Sunday's Super League derby at Wakefield.
Widnes win their final regular season Super League game to sentence Catalans Dragons to a sixth consecutive defeat.
Warrington secure second place in the Super League table ahead of the Super 8s with a win over bottom club Huddersfield.
Hull FC battle to a hard-fought victory over Salford Red Devils to remain top of the Super League table.
Audio & Video
The Super League Show panel discusses whether penalties handed out by the Rugby Football League for disciplinary matters are adequate.