Wakefield have signed Warrington forward Simon Grix on loan for the Super 8s campaign.
Ian Henderson will leave Catalans Dragons at the end of the season and join the Sydney Roosters in 2016.
Hull KR turned the form book on its head with a battling 26-18 win over Warrington to reach the Challenge Cup final.
Post-match reaction to Hull KR's 26-18 victory over Warrington.
Hull have completed the signing of Tonga international winger Mahe Fonua from Melbourne Storm on a three-year deal.
Leeds are staying grounded as they chase a "phenomenal" clean sweep of rugby league's domestic trophies.
Jamie Peacock helped Leeds to a 24-14 win over St Helens in an epic Ladbrokes Challenge Cup semi-final.
Post-match reaction to Leeds' 24-14 victory over St Helens.
Tim Sheens is confident he can help turn around Salford's fortunes but is stopping short of coaching and picking the team.
Hull have given Australian winger or centre Steve Michaels a new contract for the 2016 Super League season.