Table topping Munster remain the only team in the Magners League with a 100% winning record this season, three victories our of three.
Isa Nacewa's two drop goals in the victory over Ospreys set a new Lienster record.
With the addition of James Hook's opening drop kick, Leinster v Ospreys became only the second Magners League game in which 3 drop goals have been kicked, the previous occasion being Glasgow Warriors v Edinburgh at Hughendon 27 December 2003.
Newport Gwent Dragons 16-14 victory over Ulster at Ravenhill was Coach Paul Turners' first Magners League success on the road in Ireland.
MAGNERS LEAGUE ROUND 3 RESULTS
Friday 19 September 2008 at Sportsground
Connacht (12) 15: Fionn Carr(T) Andy Dunne(P) Ian Keatley(C) Brett Wilkinson(T)
Glasgow Warriors (8) 8: Thom Evans(T) Dan Parks(P)
Friday 19 September 2008 at Ravenhill
Ulster (7) 14: Ian Humphreys(T) Kieron Dawson(T) Clinton Schifcofske(2C)
Newport Gwent Dragons (9) 16: James Arlidge(C/3P) Ashley Smith(T)
Friday 19 September 2008 at Murrayfield
Edinburgh (15) 32: Nick de Luca(T) Phil Godman(D/P) Allan Jacobsen(T) Mark Robertson(2T) Chris Paterson(3C)
Scarlets (0) 12: Martin Roberts(T) Morgan Stoddart(T) Ceiron Thomas(C)
Friday 19 September 2008 at Royal Dublin Society
Leinster (7) 19: Luke Fitzgerald(T) Felipe Contepomi(C/2P) Isa Nacewa(2D)
Ospreys (6) 13: James Hook(C/D/P) Nikki Walker(T)
Saturday 20 September 2008 at Musgrave Park
Munster (7) 28: Paul O'Connell(T) Ronan O'Gara(4C) Justin Melck(T) Niall Ronan(2T)
Cardiff Blues (10) 20: Ben Blair(2C/2P) Richard Mustoe(T) Ma'ama Molitika(T)