NAME: Cian Healy
DEBUT: v Border Reivers, 5 May 2007
The veteran loosehead will bring up 250 games for Leinster when he makes his first appearance of the season, and is closing in on second place Gordon D'Arcy (257) on the province's all-time list.
With three Six Nations titles, four Heineken Cups and seven URC championships to his name, the 118-cap prop is one of the most decorated players in Irish rugby history.
Signed a new contract earlier this year to keep him playing until the summer of 2024 at least.