For their part Harlequins who must plan without the suspended Tani Fuga, make four changes, all up front as they attempt to defend their nine point advantage.
Former coach Warren Gatland drew a bout of laughter when asked at the Munster/Wasps team announcement yesterday what his views were on Connacht's chances.
"With Fuga banned and 6,000 people in the Sportsground and with a bit of dog poo around the place, I'm not sure the Quins boys will enjoy it too much."
Goodwill messages to the Connacht side by fax (091-538380 or 091 560097) or e-mail email@example.com
Harlequins: G Duffy; G Harder, W Greenwood, M Deane, U Monye; P Burke, S Keogh; C Jones, T Fuga, J Dawson, K Rudzki, S Miall, P Sanderson, A Vos capt, T Diprose. Replacements: C Dott, L Gomez, M Worsley, B Davison, L Sherriff, B Willis, A Dunne.
Full details at: www.connachtrugby.ie