Rugby Correspondent with the Irish Independent Ruaidhri O'Connor joined Oisin Langan on The Rewind Big Weekend Special on Newstalk to look ahead to the three games involving the Irish provinces this weekend.
There are only three games left in the regular season of the Pro 12 and Leinster are in danger of missing out on the end of season play offs.
Matt O'Connor's side travel north to Belfast tonight to play third place Ulster with the Australian under pressure to reach the top four after their European heartbreak to Toulon.
Connacht are at home this weekend to league leaders Glasgow in the Sportsground.
Pat Lam's side are currently in sixth place and need to stay there to qualify for next seasons Champions Cup.
The Westerners are level on points with the Scarlets and one point ahead of Edinburgh going into the final season run in.
Munster have on paper the easiest game this weekend as they welcome Treviso to Thomond Park.
After their poor European performance this year, head coach Anthony Foley will be looking to guarantee a home semi final in the Pro 12 play offs.
Oisin and Ruaidhri also discuss Paul O'Connell's situation at Munster and if he may prove to France amid rumours of interest from Toulon.
Listen to Ruaidhri O'Connor preview this weekend's Pro 12 games on The Rewind Big Weekend Special on Newstalk:
