Northampton: Furbank; Freeman, Dingwall, Hutchinson, Sleightholme; F Smith, James; Iyogun, Langdon, Davison; Munga, Coles; Kemeny, Pearson, Graham.
Replacements: R Smith, West, Green, Mayanavanua, Pollock, McParland, Seabrook, Ramm.
Harlequins: M Smith; David, Joseph, Anyanwu, Beard; Evans, Care; Baxter, Walker, Lamositele; Herbst, Lewies; Kenningham, Evans, Cunningham-South.
Replacements: Jibulu, Els, Lewis, Lamb, Chisholm, Porter, Bradley, Anderson.
Sin-bin: David (42).
Referee: Matthew Carley.