JAMES Roby is missing from Saints' line-up with Widnes for this afternoon's clash at the Stobart.
Roby came off late in the last game with Huddersfield.
In his place Kiwi test player Lance Hohaia will operate at hooker, with young forward Joe Greenwood joining the bench.
Vikings hand a debut to former Wigan back rower Gareth Hock, who starts off the bench.
Widnes: Briscoe; Flynn, Marsh, Phelps, Isa; Mellor, Hanbury; Cross, Clarke, O’Carroll, Allen, Leuluai, Cahill. Subs: White, Hock, Joseph, Gerrard.
Saints: Wellens; Makinson, Turner, Jones, Meli; Gaskell, Lomax; Perry, Hohaia, Laffranchi, Soliola, Wilkin, Manu. Subs: Greenwood, Flanagan, McCarthy-Scarsbrook, Puletua.
Ref: James Child