Connacht have been beaten 55-points to-36 by Saracens in their Investec Champions Cup clash.
The result leaves the Westeners with a losing bonus point but still bottom of Pool 1.
Elsewhere Ciaran Frawley starts at 10 for Leinster as they welcome Sale Sharks to a sold-out RDS for a 5.30 start in Pool 4.
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While Ulster look forward to the visit of Stuart Lancaster's Racing 92 to the Kingspan in Pool 2 at 8.
La Rochelle have lost again.
Ronan O'Gara's side were beaten 21-points-to-20 by the Stormers in Cape Town.
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Springbok Manie Libbok sealed the win for the hosts with the last kick of the game.
