Sean O'Brien is calling time on his playing career at the end of this season.
Now 35, the Tullow Tank will hang up his boots with London Irish in a few weeks time, bringing to a close a sparkling 14-year career at club and Test level.
The Carlow-born flanker made his Leinster debut in September 2008 and won four Heineken Champions Cups with his province, starting in the 2011 and '12 finals. He was named European player of the year in 2011.