“They have been two of our best forwards over the opening rounds and it is obviously a blow.

“But in the big scheme of things over a long season, two weeks is not going to hurt Al too much.

“While four to six is a lot more significant for Sione, there is a lot of footy to be played and we are going to be fine and able to cope without those guys.”

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Batchelor has recovered well from his head knock sustained against Warrington. But, because he failed his head assessment during the match, the concussion 11-day return to play protocol kicks in.

Woolf added: “Joe copped a knock before half-time and showed some signs of concussion so the doctors made the right call in not allowing him back on the field.

“He is going through the 11-day protocol, and is going to miss this weekend’s game.

“That is unfortunate because he has been in really good form.”

Welsby came off three minutes before the end of St Helens‘ 28-2 win over Warrington. But Woolf expects Welsby to be okay to play on Saturday.

Woolf said: “Jack at this stage looks like he should come through ok. The other bumps and bruises we got out of the game seem just that and they should all come through.

“I am confident in whatever squad we send out there will be strong, we have a really good depth and some guys who are champing at the bit wanting an opportunity and are deserving of one.

“We are going to put out a good strong side, and I am very confident in what we will put together for Saturday.”