18 May, 11:09
IRFU Chief Executive Philip Browne has issued a statement following confirmation of Ronan O'Gara's decision to retire from playing professional rugby.
The Scots have won six of their last seven fixtures against the Scarlets, and will be eying fourth place with a win on their first visit to Parc y Scarlets.
Glasgow Warriors face a trip to Ulster, looking for a fourth straight win over the northern province as they aim to stay with the pace.
The rounds final game sees 'the bottom two sides, Connacht and Cardiff Blues, face off in Galway on Friday.
MAGNERS LEAGUE - ROUND 12 FIXTURES:
Friday, March 6 -
CONNACHT v Cardiff Blues, The Sportsground, 6.30pm
Ospreys v LEINSTER, Liberty Stadium, 7.05pm (live BBC Wales/Setanta Sports Ireland)
Saturday, March 7 -
Newport Gwent Dragons v MUNSTER, Rodney Parade, 5.30pm (live S4C/Setanta Sports 1)
ULSTER v Glasgow Warriors, Ravenhill, 7.30pm (live Setanta Sports 1)
Sunday, March 8 -
Scarlets v Edinburgh, Parc y Scarlets, 4.10pm (live S4C)