Full round of games this weekend
Will Addison will make his return from injury for Ulster in their Guinness PRO14 match against Cardiff tomorrow night.
The Ireland back has been out for nearly a month with a calf issue and comes into the side at full-back.
John Cooney and Billy Burns have been selected in the half-back positions with Jack McGrath starting in the pack.
The Ulster team is: 15. Will Addison 14. Craig Gilroy 13. Luke Marshall 12. James Hume 11. Louis Ludik 10. Billy Burns (Capt.) 9. John Cooney
1. Jack McGrath 2. John Andrew 3. Tom O’Toole 4. Alan O’Connor 5. Kieran Treadwell 6. Matthew Rea 7. Sean Reidy 8. Marcell Coetzee
Munster have handed a first PRO14 start to academy player Jack O'Sullivan in tomorrow's match against Ospreys at Musgrave Park.
He comes into the team at number-eight while Calvin Nash, Neil Cronin and James Cronin also make their first starts of the season.
Jed Holloway joins Billy Holland in the second-row as the Reds look to make it three wins from four in Conference B.
The Munster team is: 15. Mike Haley 14. Calvin Nash 13. Dan Goggin 12. Rory Scannell 11. Shane Daly 10. Tyler Bleyendaal 9. Neil Cronin
1. James Cronin 2. Rhys Marshall 3. Stephen Archer 4. Jed Holloway 5. Billy Holland (captain) 6. Jack O’Donoghue 7. Tommy O’Donnell
                            
            Portlaoise Panthers Keep Up Unbeaten Start In Division One
        
            Leinster Championship Is Wide Open - Chris Conway
        
            Milltown Miss Out On Provincial Final Appearance
        
            Birr Suffer Semi-Final Defeat In Leinster Camogie Championship
        
            Portlaoise Panthers Suffer Defeat In Women's Super League
        
            Portarlington Seal Quarter Final Spot In Leinster Championship
        
            Buccaneers Searching For Back To Back AIL Wins 
        
            Leinster Final Place On The Line For Birr
        
            Portarlington Begin Leinster Journey Away To Carlow Champions
        
            Provincial Final The Goal For Milltown
        
            Portlaoise Panthers Face Tough Test Away In Limerick
        
            Laois Author Recounts First Meeting With F1 Legend Eddie Jordan
        
            Offaly GAA Calls For End To Allianz Sponsorship
        
            Social Finance Boosts Westmeath Boat Club
        
            AIL Changes Make Sense - Darin Claasen 
        
            Returning To Winning Ways The Goal For Portlaoise Panthers 
        
            Five Athlone Town Players Named In Team Of The Season
        
            13 Medals For Team Ireland At European U15 Championships 
        
            Offaly SFC: Agony For Ferbane Once Again