Northampton Saints 38-8 Castres: Premiership champions advance to bonus-point win in Investec Champions Cup
Northampton: Ram; Freeman, Lichfield, Dingwall (captain), Sleightholme; Smith, Michelle; Iogun, Langdon, Miller-Mills, Maanavanua, Lockett, Scott-Young, Pollock, Augustus.
Replacement: Wright, West, Green, Munga, Coles, Mapu, McParland, Hutchinson.
Castres: Chabouni, Raisuke, Séguret, Dupont, Hulleau; Le Brun, Arata (captain), Guerois-Galison, Zarantonello, Azar, Ducat, Nakarawa, Peyson, Ardern, Tuccino
Replacement: Colonna, De Beneditis, Corrato, Babylot, Papalii, Fernandez, Bottitu, Baggett.
Ref: Sam Grove-White(SCO)
