Stephen Kenny has named his squad for next week's World Cup qualifiers.
The Republic of Ireland boss has left out experienced keeper Darren Randolph out of his 25-man selection.
Callum Robinson is not included, having contracted Covid-19.
Burnley's Nathan Collins earns a first senior call-up, while Jeff Hendrick returns to the squad.
Ireland take on Portugal away next Wednesday, before home games against Azerbaijan and Serbia.
Republic of Ireland squad
Goalkeepers: Gavin Bazunu, Caoimhin Kelleher, Mark Travers
Defenders: Seamus Coleman, Matt Doherty, Shane Duffy, John Egan, Dara O'Shea, Ryan Manning, James McClean, Andrew Omobamidele, Nathan Collins
Midfielders: Josh Cullen, Jeff Hendrick, Conor Hourihane, Harry Arter, Jamie McGrath, Jayson Molumby
Forwards: Aaron Connolly, James Collins, Adam Idah, Troy Parrott, Shane Long, Ronan Curtis, Daryl Horgan