Scarlets came from behind to beat Treviso 17-13 and secure a place in next season's European Champions Cup.
Leinster qualified for next season's European Champions Cup with a 10-0 victory over Benetton Treviso at the RDS Arena.
With one round remaining and the top four sides split by a point there is still everything to play for in the PRO12.
Stuart Barnes says that players should not be banned for accidental acts after Iain Henderson was red-carded for Ulster.
Leinster stalwart Gordon D’Arcy will make what is likely to be his final appearance at the RDS in the Friday's game with Treviso.
Watch all the highlights of this weekend's Guinness PRO12 action.
Munster maintained their challenge for a home Guinness PRO12 semi-final with a 30-19 victory over Benetton Treviso.
Munster host Treviso at Irish Independent Park looking to keep the pressure up on Guinness PRO12 leaders Glasgow.
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