Dylan Hartley out for Northampton while Ospreys recall Justin Tipuric for their European Champions Cup return at Liberty Stadium (15:15 GMT).
Northampton Saints CEO Mark Darbon says there is a "lot of interest" in the director of rugby vacancy at Franklin's Gardens
Former Bath and Toulon boss Mike Ford emerges as an early contender to replace Jim Mallinder at Northampton Saints.
Northampton Saints part company with director of rugby Jim Mallinder after more than 10 years with the Premiership club.
Audio & Video
Northampton Saints CEO Mark Darbon tells BBC Look East the club sacked director of rugby Jim Mallinder at the right time.
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