■By SIMON THOMAS

Leinster ............29pts
Tries: Keenan 9, J O’Brien 17, 37; Conan 19, Osborne 76 Conversions: S Prendergast 39, 77

Cardiff ................5pts
Try: Grady 24

LEINSTER marked their first URC game at the redeveloped Laya Arena with an opening win of the season as they ran in five tries to secure maximum points.
After two seasons playing at the Aviva Stadium, the league champions are back at the Royal Dublin Society site, with a sell out 20,600 crowd turning out for their homecoming at a new-look €52m ground.
They had the four-try bonus poi...