Isaac Boss will captain Ireland A in their opening Churchill Cup encounter against Canada.
The Ulster scrum-half will lead the side in Denver, Colorado, on Wednesday, the first of up to three games over the next two weeks.
Bryan Young and Sean Cronin start at prop and hooker respectively and Tony Buckley, who scored a try against Canada last month, is selected at tight head.
Donnacha Ryan and Devon Toner make up the second row partnership, while Ireland A tour captain John Muldoon, after starting both Tests last month, is named among the replacements.
Ireland A team: Bryan Young, Sean Cronin, Tony Buckley, Donnacha Ryan, Devon Toner, Neil Best, Sean O'Brien, Chris Henry, Isaac Boss, Niall O'Connor, Johne Murphy, Keith Matthews, Fergus McFadden, Fionn Carr, Denis Hurley.
Replacements: Dennis Fogarty, Cian Healy, Trevor Hogan, John Muldoon, Frank Murphy, Jonathan Sexton , James Downey.
Ireland Churchill Cup Schedule
June 10: Ireland A v Canada, Infinity Park, Glendale, Colorado June 14: Georgia v Ireland A, Infinity Park June 21: Finals day, Dicks Sporting Goods Park, Denver, Colorado
England flanker James Haskell insists he will be pushing as hard as possible to be back from a toe injury in time to make his case for a spot in Eddie Jones' side looking to defend their RBS 6 Nations title next year.