TOM Lawday comes in at flanker in Harlequins’ only change to their starting XV from their defeat to Leicester Tigers for the Champions Cup opener at Castres.
Lawday replaces Jack Kenningham who drops to the bench.
Fly-half Marcus Smith steers an exciting backline, featuring Andre Esterhuizen, Huw Jones and Louis Lynagh.
England internationals Alex Dombrandt and Joe Marler are in the pack with Danny Care directing from scrum-half.
Castres’ side includes South African-born scrum half Rory Kockott and Argentine flyhalf Benjamin Urdapilleta, who spent two years at Harlequins between 2010 an...