Leeds have Rob Burrow back in their squad at Hull KR tomorrow night after a two-month absence with a knee injury.
Ali Lauitiiti and Luke Burgess also return after lengthy lay-offs, but the return of Burrow, who has not played since doing the damage against Wakefield at the start of May, is the major boost for the champions as they try to ensure a top-four finish.
St Helens have Jon Wilkin back against the Catalan Dragons, although Kyle Eastmond and Leon Pryce are both out and the 19-year-old stand-off Lee Gaskell could be drafted in.
Leaders Wigan include Sean O'Loughlin and Amos Roberts against Salford, as well as Cameron Phelps and Iafeta Paleaaesina.
Bradford have named the 20-year-old winger or centre, Vinny Finnigan, for a possible debut at Harlequins tomorrow night.
A vastly improved effort from New South Wales was not enough to prevent their first State of Origin whitewash for 15 years.
Late tries from Billy Slater and Willie Tonga gave Queensland, already sure of a fifth series win in a row, a 23-18 victory in Sydney.