Northampton Saints player ratings: Phil Dowson's side booked a Champions Cup semi-final with Leinster after seeing off an ill-disciplined and quarrelsome Castres at Franklin's Gardens on an impressive 51-16 scoreline.
George Furbank is set to play his first game since fracturing an arm against the Bulls in mid-December.
Northampton Saints have confirmed that Temo Mayanavanua, Juarno Augustus and Fin Smith will return to the starting line-up for Friday’s Investec Champions Cup Round-of-16 fixture against ASM Clermont Auvergne.
Tom Roebuck scored twice as Sale secured a thrilling 27-24 Gallagher Premiership bonus-point win over defending champions Northampton which boosted their play-off hopes.
England lock Ollie Chessum will return to Leicester Tigers' starting XV on Sunday as his side host Saracens in the Gallagher Premiership.
England captain Maro Itoje will return to captain a Saracens side containing four of his international team-mates during the Guinness Six Nations when they host Harlequins in the Gallagher Premiership on Saturday.
England fly-half Fin Smith has returned to Northampton Saints' starting line-up a week after the Guinness Six Nations campaign came to a close as his side host Leicester Tigers on Friday in the East Midlands Derby in the Gallagher Premiership.