Hull KR (7) v Catalan Dragons (3)
Hull KR recall Sam Latus in the absence of injured winger David Hodgson, while stand-off Blake Green is facing a late fitness on the hamstring injury that forced him to miss the last two matches.
Catalan Dragons have second rower Jamal Fakir back from a two-match injury absence as a replacement for Louis Anderson, while young prop Julian Bousquet is named in coach Trent Robinson's 19-man squad for the first time.
Last season: Catalan Dragons 28 Hull KR 30, Hull KR 18 Catalan Dragons 31.
Last six league matches: Hull KR W L W W W W Catalan Dragons L W W W L L.
Top tryscorers: David Hodgson (Hull KR) 14; Vincent Duport (Catalan Dragons) 11.
Top goalscorers: Michael Dobson (Hull KR) 67; Scott Dureau (Catalan Dragons) 68.
Salford (10) v St Helens (4)
Salford are boosted by the return of stand-off Daniel Holdsworth, who missed the defeat at Castleford following a bereavement, and Wales prop forward Jordan James.
St Helens are virtually at full strength and will field all nine players who were on international duty last weekend.
Last season: St Helens 31 Salford 6, Salford 22 St Helens 56.
Last six league matches: Salford L L D W W L St Helens W W W L D W.
Top tryscorers: Jodie Broughton and Ashley Gibson (Salford) 9; Jonny Lomax, Francis Meli and Paul Wellens (St Helens) 9.
Top goalscorers: Daniel Holdsworth (Salford) 47; Jonny Lomax (St Helens) 30.