The 2009–10 Celtic League (known as the 2009–10 Magners League for sponsorship reasons) was the ninth season of the league now known as Pro12 and the fourth with

Magners Magners Irish Cider is a brand of cider produced in County Tipperary in Ireland by the C&C Group. The product range includes the cider varieties: Original, Light, Berry, Pear and Rosé. The cider was originally produced as Bulmers Irish C ...

as title sponsor. The season began in September 2009 and ended with the Grand Final on 29 May 2010. Ten teams played each other on a home-and-away basis, with teams earning four points for a win, two points for a draw and a bonus point for scoring four or more tries in a match. The losing team may also earn a bonus point if they lose by seven points or less. The ten teams competing consisted of the four Irish provinces,

Munster Munster ( or ) is the largest of the four provinces of Ireland, located in the south west of the island. In early Ireland, the Kingdom of Munster was one of the kingdoms of Gaelic Ireland ruled by a "king of over-kings" (). Following the Nor ...

Leinster Leinster ( ; or ) is one of the four provinces of Ireland, in the southeast of Ireland. The modern province comprises the ancient Kingdoms of Meath, Leinster and Osraige, which existed during Gaelic Ireland. Following the 12th-century ...

Connacht Connacht or Connaught ( ; or ), is the smallest of the four provinces of Ireland, situated in the west of Ireland. Until the ninth century it consisted of several independent major Gaelic kingdoms (Uí Fiachrach, Uí Briúin, Uí Maine, C ...

and

Ulster Ulster (; or ; or ''Ulster'') is one of the four traditional or historic provinces of Ireland, Irish provinces. It is made up of nine Counties of Ireland, counties: six of these constitute Northern Ireland (a part of the United Kingdom); t ...

; two Scottish regions,

Edinburgh Rugby Edinburgh Rugby (formerly Edinburgh Reivers, Edinburgh Gunners) is one of the two professional rugby union teams from Scotland. The club competes in the United Rugby Championship, along with the Glasgow Warriors, its oldest rival. Edinburgh play ...

and

Glasgow Warriors The Glasgow Warriors are a professional rugby union side from Scotland. The team plays in the United Rugby Championship league and in the European Professional Club Rugby tournaments. In the 2014–15 season they won the Pro12 title and beca ...

; and four Welsh regions,

Cardiff Blues Cardiff Rugby () are one of the four professional Welsh rugby union teams. Based in Cardiff, the team play at Cardiff Arms Park. Originally formed in 1876, from 2003 to 2021 the first team was known as the Cardiff Blues before rebranding back ...

, Newport Gwent Dragons, Ospreys and

Scarlets The Scarlets () are one of the four professional Welsh rugby union teams and are based in Llanelli, Wales. Their home ground is the Parc y Scarlets stadium. They play in the United Rugby Championship and in European Professional Club Rugby c ...

. This season saw the introduction of a play-off structure similar to the English Premiership in order to determine the overall winner. The Ospreys won the final, defeating

17–12 in

Dublin Dublin is the capital and largest city of Republic of Ireland, Ireland. Situated on Dublin Bay at the mouth of the River Liffey, it is in the Provinces of Ireland, province of Leinster, and is bordered on the south by the Dublin Mountains, pa ...

Teams

Table

Regular season results

Round 1

Round 2

Round 3

Round 4

Round 5

Round 6

Round 7

Round 8

Round 9

1872 Cup 1st round

Round 10

1872 Cup 2nd round

Round 11

Round 12

Round 13

Rearranged fixtures

Round 14

Round 15

Rearranged fixture

Round 16

Rearranged fixture

Round 17

Round 18

Playoffs

Semi-finals

Grand Final

Leading scorers

Note: Flags to the left of player names indicate national team as has been defined under IRB eligibility rules, or primary nationality for players who have not yet earned international senior caps. Players may hold one or more non-IRB nationalities.

Top points scorers

Top try scorers

Notes

References

External links

Magners Celtic League 2009/10
at BBC {{DEFAULTSORT:Celtic League 2009-10 2009–10 in Irish rugby union 2009–10 in Scottish rugby union 2009–10 in Welsh rugby union