The Warriors will be hoping that the return of the duo helps them put last weekend's crushing 32-9 defeat to Bath behind them.
The Saints also come into the game off the back of a defeat, having been beaten 11-27 by Gloucester last Saturday.
Worcester: Claassens, Drauniniu, Grove, Clarke, Lemi, Goode, Arr, Kvesic, Betty, Best, Schofield, Percival, Murray, Lutui, Mullan
Northampton: Foden, Wilson, Pisi, May, Elliott, Myler, Dickson, van Velze, Dowson, Manoa, Sorensen, Lawes, Mercey, Hartley, Tonga'uiha
Sports Mole says: A slim victory for the home side.