RESERVE Zach Cook has been ruled out of Wolverhampton's trip to Sheffield tonight (Thursday, September 7, 7.30).
The Aussie crashed whilst on Championship duties with Poole at Edinburgh on Wednesday and feeling battered and bruised has taken medical advice to rest up.
Youngster Luke Killeen will guest for the Parrys International Wolves.
Elsewhere, Sheffield reserve Claus Vissing also crashed in Denmark on Wednesday - his place is taken by Jye Etheridge.
SHEFFIELD: Tai Woffinden R/R, Kyle Howarth, Chris Holder, Josh Pickering, Tobiasz Musielak, Jye Etheridge, Jason Edwards.
PARRYS INTERNATIONAL WOLVES: Sam Masters, Steve Worrall, Luke Becker, Rory Schlein, Ryan Douglas, Luke Killeen, Leon Flint.
Zach Cook ruled out of meeting at Sheffield