Both sides take unblemished records into the clash at Headingley Carnegie, although Leeds will start as big favourites.
The Rhinos have won their last eight meetings (four at home) against Widnes, with the Vikings’ last victory coming in 2003.
Leeds winger Ryan Hall has a similarly impressive record in this fixture, having scored seven tries in his last four matches against the visitors.
Squad: Hardaker, Jones-Bishop, Watkins, Moon, Hall, McGuire, Burrow, Leuluai, Aiton, Peacock, Jones-Buchanan, Ablett, Sinfield, Ward, Delaney, Bailey, Achurch, Briscoe, Singleton.
Last match: Drew 12-all away at Huddersfield
Squad: Ah Van, Brown, Clarke, Clough, Craven, Dean, Flynn, Galea, Gerrard, Hanbury, Isa, Kavanagh, Leuluai, Lloyd, Mellor, Owens, Phelps, Tickle, White.
Last match: Won 32-18 at home to Salford
Super League summary
Leeds won 9
Widnes won 3
Leeds highest score: 68-24 (H, 2012) (Widest margin: 66-8, H, 2005)
Widnes highest winning score: 34-28 (H, 2002) (Widest margin: 29-14, H, 2003)