Flanagan attended St. Finian's College in Westmeath before entering the Leinster academy set-up. The 6ft7 lock represented Ireland at U18, U19 and U20 levels, playing in the 2009/10 U20’s World Championship campaign as well as the 2008/09 U20’s Six Nations.
The cousin of Irish international Devin Toner, Flanagan began his professional rugby career at Leinster, coming through the club’s academy before making 9 senior appearances for the Irish province.
He swiched to Mont-de-Marsan in the French PRO D2 and was a stand-out for Bedford Blues in the English Championship before joining Saracens last season, making 11 appearances for them in the Aviva Premiership.
In September 2017, Flanagan signed for Munster on a three-month loan deal from Saracens.
In May 2018, Flanagan returned to Bedford Blues for their 2018/19 Championship campaign.
(LS May 23, 2018)
Career
 |
UCD RFC No 4 Lock |
|
 |
Leinster Rugby No 4 Lock |
2009 - 2013 |
 |
Munster Rugby No 4 Lock |
2017 - 2017 |
 |
Saracens No 4 Lock |
2016 - 2018 |
 |
Bedford Blues No 5 Lock |
2016 - 2022 |
