The Scarlets moved into sixth spot in the PRO12 after a bonus-point victory over the Dragons at the Millennium Stadium.
Second row Rynard Landman will captain the Dragons in their Guinness PRO12 derby with Scarlets at Millennium Stadium.
Rhys Priestland's last-gasp penalty gave Scarlets a vital 28-26 victory over Zebre at the Stadio Sergio Lanfranchi.
The Scarlets have made two changes for Saturday’s must-win trip to Italy to face struggling Zebre.
Scarlets scrum-half Gareth Davies has been suspended for five weeks after he was red-carded for headbutting
George Earle has secured a contract extension with the Scarlets and will qualify for Wales for this year’s World Cup.
Edinburgh boosted their hopes of a top-six finish in the Guinness PRO12 with a 26-15 victory away to 14-man Scarlets.
Scarlets have boosted their front-row options for next season with the signing of tighthead prop Will Taylor from Wasps.
More of the games that matter on Sky Sports
Watch the action with a Day or Week Pass
Buy tickets for Sale and Barbarians v Argentina.
For all the latest news, features and videos
We've a host of top class rugby union action