SAINTS will have England centre Mark Percival back for Saturday's Challenge Cup quarter final against holders Warrington Wolves at Salford's AJ Bell Stadium (2.30pm).

It will go some way to offset the loss of Fiji test captain Kevin Naiqama who will miss the game - unless there is a successful appeal - after picking up a two-match ban for a high tackle against Hull KR.

Saints will also welcome back packman Louie McCarthy Scarsbrook, after he missed the weekend with a niggle that he has played with since the resumption.

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Saints coach Kristian Woolf said: "Mark Percival was very close to playing last week so we would expect him to play this week."

And the boss was pleased to have McCarthy-Scarsbrook's energy and enthusiasm back in the team for the knockout clash, the biggest game since the season resumed.

"We did miss him last week and he will definitely be back this week," Woolf said.

"He will be fresh and will bring what he offers every week, some real enthusiasm from the bench, he enjoys playing with the guys he is on the field with and they go really well together.

"He brings a change of speed to the game as well.

"We did miss him and it will be good to have him back."

The pack duel with Warrington will be a key battleground in settling whose winning run ends and which team makes the last four.

And key to that will be the head-to-head between the comp's two on-song props - Alex Walmsley and Mike Cooper.

Walmsley was a very late withdrawal when the teams last met at Warrington in February when Saints were nilled in an ugly game and left Wolves pack crowing afterwards.

Woolf said: "Warrington have a good forward pack, but so too do we and so it is going to be a good battle there in the middle.

"Those battles always go a long way to winning big games, that is for sure."