Leroy Houston had slotted straight into Bath’s starting lineup, after the Reds agreed to release the backrower on a medical replacement contract.
Houston will line up at number eight against Worcester on Saturday night, in his first match since the end of the Super Rugby season.
Long-time Reds and Wallabies teammate Greg Holmes and James Horwill will face off against each other when Exeter takes on Harlequins.
Horwill will be in the second row for Harlequins, while Holmes will start at tighthead, with Dave Dennis coming off the bench for the Chiefs.
Peter Betham will be at outside centre when Leicester takes on Newcastle on Sunday night (AEST).
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Anthony Fainga’a will start at inside centre for Kintetsu Liners against the Shining Arcs on Saturday afternoon.
Scott Higginbotham will line up at number eight for the NEC Green Rockets against the Toyota Industries Shuttles, with both sides searching for their first win of the season.
Berrick Barnes will steer the Panasonic Wild Knights at flyhalf against the undefeated Sunrtory Sungoliath, with Daniel Heenan starting in the second row.
George Smith will start at number eight for the second week in a row for the Sungoliath against the defending champions.
Digby Ioane will be on the left wing for Honda when the Heat takes on the Kubota Spears, after their agonising loss to Toyota Verblitz last weekend.
Wycliff Palu will come off the bench for the Verblitz when they play Kobe Steel, looking to keep an undefeated start to the season intact
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Mike Harris will start at fullback for Lyon against Toulouse, as they search for thier second win of the season.
Nic White will line up at halfback for Montpellier against Bayonne on Sunday morning (AEST).
Adam Ashley-Cooper will start for a second week in a row when Bordeaux takes on Clermont, with the 116-Test veteran on the right wing.
Sitaleki Timani will start in the second row for Clermont in the match.
Toulon will take on fierce rvials Racing 92 on Monday morning, while Castres faces Grenoble, with those teams yet to be named.
