Challenge Cup preview: Ben Barba fit to return for St Helens

Ben Barba is fit to return for St Helens in their Challenge Cup match at Castleford on Saturday.

Huddersfield v Wakefield (Fri, 7.45pm)

Huddersfield winger Jermaine McGilvary returns to their squad after being out injured since March. Danny Brough also comes in with Jake Wardles and Oliver Russell missing out.

Wakefield make three changes to the side which defeated Hull KR in the Super League. Joe Arundel, Max Jowitt and Mason Caton-Brown come into the squad in place of Scott Grix, Craig Huby and Ben Jones-Bishop.

Huddersfield squad: Jake Mamo, Jermaine McGillvary, Jordan Turner, Lee Gaskell, Danny Brough, Sebastine Ikahihifo, Kruise Leeming. Michael Lawrence, Ryan Hinchcliffe, Jordan Rankin, Ukuma Ta'ai, Paul Clough, Daniel Smith, Adam O'Brien, Alex Mellor, Darnell McIntosh, Tyler Dickinson, Sam Wood, Matty English

Wakefield squad: Tinirau Arona, Joe Arundel, Matty Ashurst, James Batchelor, Mason Caton-Brown, Anthony England, David Fifita, Liam Finn, Ryan Hampshire, Keegan Hirst, Justin Horo, Tom Johnstone, Max Jowitt, Reece Lyne, Jacob Miller, Pauli Pauli, Tyler Randell, Bill Tupou, Kyle Wood.

Live Ladbrokes Challenge Cup Rugby League

Widnes v Leeds (Fri, 8pm)

Prop Mikolaj Oledzki comes into Leeds' squad in place of Brad Singleton after he suffered a broken bone in his hand during last week's defeat to Warrington Wolves. Josh Walker also features for the Super League champions after making his comeback from an ankle injury for the U-19 side.

Widnes will be hoping for a repeat of their 23-6 home league win over Leeds in February but come into this match on a six-game losing run.

Widnes squad: Wellington Albert, Greg Burke, Hep Cahill, Ed Chamberlain, Jay Chapelhow, Ted Chapelhow, Alex Gerrard, Tom Gilmore, Rhys Hanbury, Aaron Heremaia, Ryan Ince, Jordan Johnstone, MacGraff Leuluai, Stefan Marsh, Tom Olbison, Charly Runciman, Lloyd White, Matt Whitley, Sam Wilde.

Leeds squad: Ashton Golding, Tom Briscoe, Kallum Watkins, Ryan Hall, Joel Moon, Richie Myler, Adam Cuthbertson, Matt Parcell, Jamie Jones-Buchanan, Carl Ablett, Stevie Ward, Brad Dwyer, Anthony Mullally, Brett Ferres, Nathaniel Peteru, Ash Handley, Jack Walker, Mikolaj Oledzki, Josh Walters.

Castleford v St Helens (Sat, 2.30pm)

Full-back Ben Barba returns to Super League leaders St Helens' squad after missing last week's win over Catalans due to a neck injury. St Helens have won their last three games and thrashed Castleford 46-6 back in the season opener in February.

Cory Aston and James Green drop out of the Castleford squad with Nathan Massey returning from injury and Jy Hitchcox back from a loan spell at Bradford.

Castleford squad: Greg Minikin, Jake Webster, Michael Shenton, Jamie Ellis, Junior Moors, Paul McShane, Grant Millington, Oliver Holmes, Mike McMeeken, Adam Milner, Nathan Massey, Jesse Sene-Lefao, Joe Wardle, Alex Foster, Matt Cook, Gladwin Springer, Jake Trueman, Jy Hitchcox, Liam Watts.

St Helens squad: Jonny Lomax, Tommy Makinson, Ryan Morgan, Mark Percival, Adam Swift, Theo Fages, Matty Smith, James Roby, Kyle Amor, Zeb Taia, Jon Wilkin, Louie McCarthy-Scarsbrook, Luke Douglas, Morgan Knowles, Luke Thompson, Dom Peyroux, Danny Richardson, Regan Grace, Ben Barba.

Catalans v Whitehaven (Sat, 2.30pm)

Mika Simon returns to the Catalans squad while forward Mickael Goudemand is in line to make his debut. Remi Casty and Louis Anderson are rested for the Super League's bottom side.

League One side Whitehaven will be hoping to pull off an upset in France after victories over London Skolars and Dewsbury Rams in the previous rounds of the Challenge Cup.

Catalans squad: Jodie Broughton, Iain Thornley, Brayden Wiliame, Samisoni Langi, Sam Moa, Benjamin Garcia, Greg Bird, Julian Bousquet, Mika Simon, Vincent Duport, Jason Baitieri, Michael McIlorum, Lewis Tierney, Benjamin Jullien, Antoni Maria, Alrix Da Costa, Tony Gigot, Mickael Goudemand, Josh Drinkwater.

Whitehaven squad: Dan Abram, Dion Aiye, Lewis Brown, Liam Cooper, Kris Coward, Josh Eaves, Carl Forster, Ellis Gillam, Danny Green, Connor Holliday, Stu Howarth, Phil Lister, Jason Mossop, Jessie Joe Nandye, Callum Phillips, Marc Shackley, Chris Taylor, Dave Thompson, James Tilley

Hull KR v Wigan (Sun, 3.30pm)

Wigan have won the Challenge Cup 19 times and were beaten last season in the final by Hull FC. The Warriors head into this tie in excellent form after winning their last six matches to sit second in the Super League.

Hull KR secured their place in the sixth round of the Challenge Cup after easing to a 32-0 win at Oldham. It will be a welcome break from the Super League after losing ten of their 13 matches this season.

Toronto v Warrington (Sun, 3.30pm)

Championship leaders Toronto Wolfpack have the chance to make an impression against Super League opponents Warrington on Sunday. Toronto have won 11 of their 13 league matches and reached the sixth round of the Challenge Cup after defeating Kells and Barrow Raiders.

Warrington are third in the Super League and were beaten finalists in this competition in 2016. Scotland international Matty Russell could face his former club on Sunday after recently agreeing a move to Toronto.