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An Tarbh
Guest
London Irish v Harlequins (Sat)
Venue: Madejski Stadium Date: Saturday, 14 February Kick-off: 1430 GMT
London Irish welcome back Steffon Armitage, who made his England debut last week, in the back row, with five players away on international duty.
Declan Danaher, Dan Murphy, Faan Rautenbach and Kieran Roche are all out as Alfredo Lalanne replaces Paul Hodgson at scrum-half.
Quins have made three changes with Ugo Monye joining Tom Williams on the wing and David Strettle moving to the bench.
Mark Lambert replaces Mike Ross in the front row.
London Irish: P Hewat, T O, E Seveali'i, S Mapusua, A Thompstone, M Catt (capt), A Lalanne, C Dermody, D Paice, T Lea'aetoa, G Johnson, J Hudson, R Thorpe, S Armitage, C Hala'Ufia.
Replacements:
A Corbisiero, J Buckland, M Garvey, J Fisher, C Gower, P Richards, J Bailey.
Harlequins: C Jones, G Botha, M Lambert, O Kohn, G Robson, C Robshaw, W Skinner, (Captn), T Guest, A Gomarsall, N Evans, U Monye, J Turner-Hall, G Tiesi, T Williams, M Brown, C Brooker.
Replacements:
C Brooker, P. Bracken, J Evans, N McMillan, J Polu, C Malone, D Strettle
From - BBC Sport