Leinster's D'Arcy is a team-mate of Brian O'Driscoll for club and country.

BBC: Lions call up Ireland back D'Arcy

The Bath back is imposing but there's no way he's going to intimidate O'Driscoll or Gordon D'Arcy because they've been round the block.

BBC: Six Nations: Jeremy Guscott on Ireland v England

The two other U.S. cardinals on the list are Sean O'Malley of Boston and Donald Wuerl of Washington, D.

CNN: STORY HIGHLIGHTS