Ronan O'Gara and Donncha O'Callaghan both start for Munster in the Rabo Direct Pro12 tonight.

Rob Penney's side are in Wales to take on the Scarlets from 6.30pm.

Before that at 5pm, Leinster host Treviso at the RDS and Joe Schmidt has included Sean Cronin, Eoin Reddan and Fergus McFadden in his starting 15.

Last night Ulster beat Zebre 26 - 3 at Ravenhill to hold onto their seven point lead at the top.

Connacht moved up to ninth place with a 22 - 10 win over the Ospreys at the Sportsground.