Harlequins returned to winning ways in the Aviva Premiership thanks to a 15-7 victory over Newcastle Falcons.
Newcastle director of rugby Dean Richards was disappointed as his side fell to a 15-7 defeat at Harlequins.
Team news ahead of Saturday's premiership action including Northampton v Leicester and Gloucester v Bath.
Charlie Matthews could receive a long suspension after being cited for an alleged altercation with Leinster's Dominic Ryan.
Leinster ended Harlequins' 100 per cent record in the European Rugby Champions Cup with a 14-13 win in Dublin.
Leinster head coach Matt O'Connor praised his side's battling 14-13 win over Harlequins.
Harlequins will look to tighten their grip of Pool Two when they face Leinster at the Aviva Stadium.
England captain Chris Robshaw's shoulder injury will not keep him out of the Six Nations, Harlequins have announced.
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