|European Rugby Challenge Cup|
|Venue: Stade Marcel Michelin Date: Saturday, 12 January Kickoff: 20:00 GMT|
|Coverage: Commentary on BBC Radio 5 live sports extra and BBC local radio; live scores to the BBC Sport website|
England ahead Courtney Lawes direct Northampton to their critical European Challenge Cup game at Clermont.
A triumph for second-placed Saints would keep them in contention for automatic eligibility for the quarter finals.
Lawes joins flanker Heinrich Brussow at the back row, Api Ratuniyarawa partners David Ribbans at the second row while Alex Mitchell and James Fish start at scrum-half and hooker respectively.
Pool leaders Clermont will reach the final eight with a victory.
Their six adjustments include the return of ruler Morgan Parra, as well as Benjamin Kayser, Wesley Fofana and Arthur Iturria.
Former Leicester and Australia back Peter Betham starts at full back while Scotland scrum-half Greig Laidlaw is among their replacements.
Replacements: Ulugia, Uhila, Falatea, Van der Merwe, Chouly, Laidlaw, Fernandez, Lamerat.
Northampton: Tuala; Collins, Dingwall, Burrell, Naiyaravoro; Biggar, Mitchell; Van Wyk, Fish, Painter, Ribbans, Ratuniyarawa, Lawes (capt), Brussow, Harrison.
Replacements: Marshall, Waller, Franks, Wood, Ludlam, Reinach, Grayson, Kellaway.
Referee: John Lacey (Ire)