|Venue:Arena of the Coventry Building Society Date:Saturday, April 23, Kick-off: 15:00 GMT|
|Coverage:Live scores updates on BBC Sport and BBC Radio Local|
Wasps make two improvements to their European Challenge Cup win, Biarritz, as they welcome Midlands rivals Worcester at the CBS Arena.
Josh Bassett is back on the left wing. Zach Kibirige moves to the right, Jacob Umaga to full-back. Dan Frost also gets a recall.
Francois Venter, Worcester, is back in the centre after three months.
But they are without Ollie Lawrence of England, Scotland, and Duhan van den Merwe from the Lions wing.
Jamie Shillcock, the full-back, is recovering from an ankle injury. But it looks like Van der Merwe might be finished.
Now it is clear that he fractured his rib during the – It is expected to remain out for at least a few weeks.
Venter will replace Ashley Beck, who is out with a sore leg. Sam Lewis, a flanker, will make his debut in two months after his recovery from a broken leg. He was on the bench last week.
After their win, Worcester aim to beat Wasps by making it a second season.
This was the Warriors' first win in the Premiership over Wasps since moving to Coventry in 2014 from London.
Wasps: Umaga, Fekitoa and Kibirige, Gopperth, Bassett, Atkinson, Robson, T West, Frost (capt), Launchbury (capt), Stooke Shields, J Willis Barbeary.
Replacements: Oghre. Harris. Millar–Mills. Cardall. T Willis. Porter. Mills. Odogwu
Worcester Warriors: Doel; Humphreys. Morris. Venter. Hearle. Chudley. McCallum. Annett. Judge. Batley.
Replacements: Miller, Sutherland Owlett A Kitchener Vailanu Simpson Smith Smith Atkinson