Retired Blackrock rugby union players include Fergus Slattery, Niall Brophy, Hugo MacNeill and Brendan Mullin (all playing before rugby union was professional), former British and Irish Lions, Ireland and Leinster captain Brian O'Driscoll, Shane Byrne, Victor Costello, Luke Fitzgerald, and the current Leinster Rugby Head Coach and former Irish international Leo Cullen. Current professional players include Bristol and Ireland's Ian Madigan, Leinster and Ireland players Garry Ringrose and Jordi Murphy, Munster and Ireland's Andrew Conway and Joey Carbery, Sale Sharks and US Eagles' AJ MacGinty and multiple others around Ireland and the world.