Group 4: Boggabri and North Tamworth clash at Jack Woolaston Oval on Saturday

Rampling's Kangaroos have lost playmaker Josh Trindall and hooker Jack Hayes to injury while prop Nick Millar and second-rower Eden Blewitt have work commitments and will miss the match.

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It's a tough enough game tackling the Bears on their home turf, let alone doing it without four key members of your squad.

Rampling confirmed Trindall and Hayes suffered hamstring strains in last Sunday's 46-24 loss to Narrabri at Collins Park.

"Josh injured an ankle the week before and strained his hammie on Sunday," Rampling said. "We're not going to risk him."

Hayes' hamstring injury is worse and he could be out for a number of weeks.

"Nick Millar and Eden Blewitt both have to work," Rampling added.

"But we do have Bailey Lennox and Ben Haire back and hopefully Bevan Flanagan too. That'll help. It's going to be tough enough."

The Roos will work on their multitude of positional changes again at training on Thursday night, with Rob Doolan going from centres to the wing and Isaiah Adams moving from fullback to five-eighth (for Trindall).

Lennox will partner Matt Avandano in the second-row, with Jay Urquhart and Ben Haire the new props.

"We were embarrassed at Narrabri," Rampling said of a game they trailed 18-0 after just 10 minutes. "We have to improve."

Norths, meanwhile, have named skipper Scott Blanch in the starting side.

Blanch, who missed a round with an injured shoulder, came on in the second half of Saturday's win over Gunnedah and set up a second-half try with a well directed wide pass to winger Tevita Peceli.

"Great to have Blanchie back," Bars coach Brad McManus said.

"It's exciting to see the combination with him and Bailey Taylor over the next couple of weeks."

No 7 Taylor debuted in fine style on Saturday.

It is part of a new-look backline for the Bears, which includes the flying Fijians, centres Livianai Tuicakau and Tevita Cegunaivali and winger Tevita Peceli.

"They've definitely got a strong carry," McManus said of the trio. "They run the ball well and have been going real good."

Meanwhile, Werris Creek are missing three props for their encounter against the Bulldogs at Kitchener Park on Saturday.

"Curley (Kaleb) Parsons and Beau Parry have to work and Charlie Parsons has been picked in a schools rep side and is away playing," co-coach Cody Tickle said.

"So we're going to be a small and mobile side, very small."

The Bulldog backline remains the same, with young halfback Nick White continuing his first-grade education beside captain and five-eighth Reece Jaeger.

White was one of his side's best in the 26-20 loss to the Bears.

Schmiedel has named Ben Gardner as a starting prop, with Rory Harding coming off the bench and Aiden Davis starting at lock in place of Jacko Brookman.

Meanwhile, Brenton Cochrane and Michael Watton have been named in the halves to lead the Boars in their home game against Dungowan Cowboys at Boughton Oval on Saturday.

Boars captain-coach Ben Williams is likely to start on the bench after missing last weekend's big win over Kootingal-Moonbi.

"It's pretty much the same side as last week," Williams said.

"Holt Cubis is out for a week (suspension) but the rest of the side is much the same as last week. We're starting to get a good side together."

He said Cochrane and Watton were outstanding last round.

"Todd (club president Todd Mitchell) said they hit their straps and Stan Swan (hooker) had a blinder," he said.

"So we don't need to make too many changes except for a replacement for Holt."

Kootingal-Moonbi and Narrabri conclude the fourth-round matches, at Tamworth Rugby Park on Sunday.

Jake Rumsby is yet to name a Blues side but Kootingal-Moonbi coach Geoff Sharpe welcomed back a number of players missing from last Saturday's 32-8 loss at Moree.

Liam and Zach Hatch have returned from oztag state championships at Coffs Harbour, with Liam named in the centres and Zach at hooker for the injured Kurt Hartmann.

Roosters veteran Phil Beaton was away last weekend and starts in the second-row with Josh Kevill while Ryley Mackay and Sam Taylor return from injury to be paired in the halves, Taylor at halfback and Mackay at five-eighth.

The versatile Cameron McDonald and Kyle Cochrane have been pitched into front-row starting positions.

NORTH TAMWORTH: (likely team) 1 Mitch Sheridan, 2 Tevita Peceli, 3 Livianai Tuicakau, 4 Tevita Cegunavaili, 5 Blake Cameron, 6 Scott Blanch (capt), 7 Bailey Taylor, 8 Ben Jarvis, 9 Ryan Ingram, 10 Tom Woolaston, 11 James Cooper, 12 Jake McManus, 13 Dan Kelly, 14 Liam Ball, 15 Brock Wadwell, 16 Mark Simon, 17 TBA. Coach - Brad McManus.

BOGGABRI: 1 Robert Doolan, 2 Connor Fordham, 3 Nathan Roberts, 4 Mitch Fletcher, 5 Cameron Lewington, 6 Isaiah Adams, 7 Kaylan Murray, 8 Jay Urquhart, 9 Matt Gillham, 10 Ben Haire, 11 Bailey Lennox, 12 Matt Avandano, 13 Ray Goodwin, 14 Bevan Flanagan, 15 Rob Condron, 16 Kyle Capper, 17 TBA. Coach - Shane Rampling.

GUNNEDAH: 1 Dylan Lake, 2 Cain Eather, 3 Dylan O'Brien, 4 Aaron Donnelly, 5 Paul Sharpley, 6 Reece Jaeger (capt), 7 Nick White, 8 Lincon Smith, 9 Liam Ireland, 10 Ben Gardner, 11 Zak Turnbull, 12 Nick Altmann, 13 Aiden Davis, 14 Lachlan King, 15 Rory Harding. Coach - Mick Schmiedel.

KOOTINGAL-MOONBI: 1 Jordan Sharpe, 2 Sean Tilley, 3 Dylan Clarke, 4 Liam Hatch, 5 Marshall Fields, 6 Ryley Mackay, 7 Ssam Taylor, 8 Cameron McDonald, 9 Zach Hatch, 10 Kyle Cochrane, 11 Josh Kevill, 12 Phil Beaton, 13 Ben Williams, 14 Brodie Sowter, 15 Tyson Farrell, 16 Sam Molyneaux, 17 TBA. Coach - Geoff Sharpe.

MOREE: 1 Tom Ryan, 2 Alex Lawrence, 3 Joe Wade, 4 Brett Wright, 5 Silas Haines, 6 Brenton Cochrane, 7 Michael Watton, 8 Hayden Wiblen, 9 Stan Swan, 10 Marshall Barker, 11 Cameron Rodgers, 12 TBA, 13 Brent McDonald, 14 Chad Banks, 15 Ben Williams (c/c), 16 David Annis-Brown, 17 Josh Cochrane, 18 Jake Tighe.

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