2010 Celtic League Grand Final

The 2009–10 Celtic League Grand Final was the final match of the 2009–10 Celtic League season. The 2009–10 season was the fourth sponsored by Magners and was the first ever Celtic League Grand Final.The final was won by the Ospreys who defeated Leinster by 17–12 at the RDS Arena to win their third Celtic League title, the win ended Leinster's 20-month unbeaten home league record.

2010 Celtic League Grand Final

The 2009–10 Celtic League Grand Final was the final match of the 2009–10 Celtic League season. The 2009–10 season was the fourth sponsored by Magners and was the first ever Celtic League Grand Final.The final was won by the Ospreys who defeated Leinster by 17–12 at the RDS Arena to win their third Celtic League title, the win ended Leinster's 20-month unbeaten home league record.