The Stade Francais number eight is added to Saturday's 22, along with Rob Dewey, Max Evans, Mark Robertson, Nikki Walker, Simon Webster, Kelly Brown, Geoff Cross, Alastair Kellock and Alasdair Strokosch.

BBC: Lineen unhappy with Parks jeering

Meanwhile, Quins chief executive Mark Evans says the club are undecided as to whether they will replace Richards.

BBC: Richards ban to extend worldwide

Quins chief executive Mark Evans admitted the controversy had been a "wake-up call".

BBC: Richards ban to extend worldwide