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Hull (11) v Harlequins (9)

Friday (7.30)
Last six SL matches: Hull: LWWLLL; Harlequins: LLLWWL.
Last time in SL: Harlequins 34, Hull 26 (Rd 14).
Team news: Hull are boosted by the return of long-term absentees Todd Byrne (knee) and Paul King (broken foot) but Adam Dykes, Richard Horne and Garreth Carvell remain sidelined. Henry Paul (elbow surgery) misses out for Quins who recall winger Jon Wells.
Key battle: Shaun Berrigan, pictured v Scott Hill.
Betting: Quins have a four-point start on the handicap coupon.
Referee: Thierry Alibert.

Wigan (5) v Leeds (2)

Friday (8.00)*
Last six SL matches: Wigan: LLLWDW; Leeds: LWWLWW.
Last time in SL: Wigan 23, Leeds 22 (Rd 20).
Team news: Pat Richards (bacterial infection) and Phil Bailey (shoulder) are missing for Wigan but Trent Barrett returns from a hamstring injury. With Jamie Jones-Buchanan, Scott Donald and Ryan Bailey sidelined, Leeds have drafted in Simon Worrall and Kallum Watkins.
Key battle: Pat Richards v Kevin Sinfield, pictured.
Betting: Wigan have a four-point start.
Referee: Ashley Klein.
Video referee: Steve Ganson.

Catalans (3) v Wakefield (8)

Saturday (8.00)
Last six SL matches: Catalans: WWLLDW; Wakefield: LLLLLL.
Last time in SL: Wakefield 14, Catalans 30 (Rd 19).
Team news: Catalans are without David Ferriol, Alex Chan, Casey McGuire, Rémi Casty, Jason Croker, Cyrille Gossard, Jamal Fakir and Gregory Mounis. Adam Watene returns from a fractured cheekbone for Wakefield who also include Paul Reilly, Kevin Henderson and Jay Pitts in a squad missing Richard Moore (knee) and Jason Golden (thigh).
Key battle: Aaron Gorrell v Brad Drew.
Betting: Wakefield have a 12-point start.
Referee: Phil Bentham.

Castleford (12) v Warrington (4)

Sunday (7.30)
Last six SL matches: Castleford: WLWLWL; Warrington: WWWWLL.
Last time in SL: Warrington 28, Castleford 36 (Rd 15).
Team news: Castleford are without the suspended Scott Moore and could recall Michael Korkidas, Adam Fletcher and Ryan Boyle. Warrington give late fitness tests to Paul Rauhihi (groin) and Chris Riley (concussion) but Chris Bridge, Steve Pickersgill, Paul Johnson, Stuart Reardon, Ben Harrison, Vinnie Anderson and Louis Anderson are out.
Key battle: Joe Westerman v Ben Westwood, pictured.
Betting: Castleford have an eight-point start.
Referee: Ian Smith.
Video referee: Ashley Klein.


Huddersfield (10) v St Helens (1)

Sunday (3.00)
Last six SL matches: Huddersfield: WLWWWL; St Helens: WWWWWW.
Last time in SL: St Helens 46, Huddersfield 16 (Rd 19).
Team news: Paul Sculthorpe returns from a hamstring strain for St Helens who are again without Great Britain forward Maurie Fa'asavalu (hamstring). Sean Long also returns after sitting out last week's win against Harlequins.
Key battle: David Faiumu v James Roby.
Betting: Huddersfield have an eight-point start.
Referee: Ben Thaler.

Bradford (6) Hull KR (7)

Monday (2.15)
Last six SL matches: Bradford: LLWLLW; Hull KR: LWLWLW.
Last time in SL: Bradford 40, Hull KR 20 (Rd 19).
Team news: Bradford fans have a chance to bid farewell to Joe Vagana, who plays his last game at Grattan Stadium before retiring. Hull KR could be unchanged from the team that beat Warrington.
Key battle: Paul Deacon v Michael Dobson, pictured.
Betting: Hull KR have a 12-point start.
Referee: Richard Silverwood.
Video referee: Ben Thaler.

Handicaps by Skybet