Castleford Tigers sign George Hirst from Wigan Warriors on a deal until the end of the 2028 season.
Hull FC forward Jed Cartwright ruled out for around three months due to a torn hamstring.
St Helens forward Jacob Host to miss four months of action due to a broken leg.
Wigan Warriors ace Bevan French will be out for around four months after tearing his hamstring.
Huddersfield Giants say they are facing an "unprecedented" injury crisis ahead of clash vs Hull KR.
Defender Kyle Walker has retired from international football, having earned 96 caps for England.
Wilfried Singo replaces Roland Sallai in the Galatasaray XI that overcame Juventus over two legs.