Centre Hal Luscombe also returns to full fitness after a calf injury and will partner Grove with Dale Rasmussen ruled out with a stinger injury. Loki Crichton also misses the game with a hip flexor injury.
Front row changes see Matt Mullan, fresh from training with England this week, joined by the recalled Aleki Lutui.
New Zealand giant Greg Rawlinson is named at lock and will join Will Bowley in the second row. Young England U20 ace Graham Kitchener is named among the replacements.
Tickets remain on sale for the game at Sixways Stadium by calling 01905 454183 or visiting the online Box Office4 at www.warriors.co.uk
Warriors v London Wasps
15 Chris Latham
14 Rico Gear
13 Hal Luscombe
12 Alex Grove
11 Marcel Garvey
10 Willie Walker
9 Matt Powell
1 Matt Mullan
2 Aleki Lutui
3 Tevita Taumoepeau
4 Greg Rawlinson
5 Will Bowley
6 Tom Wood
7 Pat Sanderson (c)
8 Kai Horstmann
16 Darren Morris
17 Chris Fortey
18 Graham Kitchener
19 Netani Talei
20 Ryan Powell
21 Joe Carlisle
22 Miles Benjamin
