Ireland have confirmed that Tadhg Furlong, Garry Ringrose and Mack Hansen are set to return for their final match of the Guinness Six Nations against Italy in Rome on Saturday.
Ireland will secure the Triple Crown with victory in Cardiff.
Mark McCall’s Saracens were amongst the losers, but they at least could hold heads high in Limerick after an exhausting bonus-earning 12-17 loss at Munster.
Munster picked up a signature Champions Cup win as they downed Saracens 17 - 12 in an old school tussle at Thomond Park.
There is no return for O’Mahony, whose last appearance came in the December 13 defeat at Castres.
Ahead of the highly anticipated URC matchup between Leinster and Munster, both teams have welcomed back multiple players to their starting lineup.
Munster Rugby secured a 33 – 7 victory over Stade Francais at Thomond Park to get their Investec Champions Cup campaign off to the perfect start.