Worcester make two changes to the side which lost to Newcastle last week, with Perry Humphreys and Pierce Phillips coming into the starting line-up.

Warriors wing Dean Hammond drops out of the squad, while Will Spencer is missing with an ankle injury.

Marcus Watson starts on the right wing for Wasps and Guy Thompson comes in at flanker, which sees Alex Rieder move to six and Ashley Johnson to hooker.

Christian Wade (hamstring) and Juan de Jongh (finger) miss out through injury.

Worcester Warriors: Adams; Humphreys, Te'o, Willison, Heem; Heathcote, Arr; Bower, Singleton, Schonert, O'Callaghan (capt), Phillips, Cox, Lewis, van Velze.

Replacements: Taufete'e, Waller, Alo, Scotland-Williamson, Faosiliva, Stringer, Olva, Shillcock.

Wasps: Le Roux; Watson, Lovobalavu, Gopperth, Bassett; Cipriani, Robson; McIntrye, Johnson, Cooper-Woolley, Launchbury (capt), Myall, Rieder, Thompson, Hughes.

Replacements: Cruse, Mullan, Doran-Jones, Symons, Willis, Simpson, Macken, Miller.