Worcester Warriors have been forced into a triple change ahead of the huge Guinness Premiership clash with Bristol Rugby at the Memorial Stadium (kick-off 12.30pm).
Centre Rico Gear (hip) and flanker James Collins (leg) have both failed morning fitness tests and are replaced by Alex Grove and Matt Cox in the line-up.
Lock Graham Kitchener (virus) is also out of the game and his place amongst the replacements is taken by Craig Gillies.
Warriors v Bristol
15 Willie Walker
14 Marcel Garvey
13 Alex Grove
12 Dale Rasmussen
11 Miles Benjamin
10 Matthew Jones
9 Ryan Powell
1 Matt Mullan
2 Chris Fortey
3 Darren Morris
4 Greg Rawlinson
5 Will Bowley
6 Tom Wood
7 Pat Sanderson (c)
8 Kai Horstmann
16 Callum Black
17 Aleki Lutui
18 Craig Gillies
19 Matt Cox
20 Jonny Arr
21 Loki Crichton
22 Hal Luscombe