The Northern Ireland senior men's manager has announced a 28-player selection to cover the four matches in Nations League B2.
First on the calendar is an away trip to Tbilisi on Friday 25 September where the team will face Georgia.
A home match against Hungary follows on Monday 28 September at the National Football Stadium in Belfast.
The squad includes experienced defender Paddy McNair from Hull City, who has recovered from a foot injury that previously sidelined him from recent Premier League action.
Midfielder Jordan Thompson returns to the fold after his last appearance for the senior men's side came in a friendly defeat by Sweden in March 2025.
Alistair McCann of Preston North End remains unavailable due to injury despite having featured in previous matches against Guinea and France this summer.
The current roster represents nine changes compared to the 23-player group chosen for the friendlies against Guinea and France earlier in the season.
Goalkeeper Bailey Peacock-Farrell from Blackpool is among those returning, alongside Wycombe Wanderers keeper Conor Hazard.
Defenders Daniel Ballard of Sunderland, Terry Devlin from Portsmouth and Eoin Toal of Bolton Wanderers have also been recalled.
Striker Dion Charles joins the group after missing out on the June friendlies with his club.
Newcomer to the squad is Michael Forbes, a defender for Dundee United who earned his only senior international cap against Finland in 2023.
Michael O'Neill described the players' progress as being in great form ahead of this busy period.
The fixture list continues with an away game against Ukraine in Slovakia on Friday 2 October.
Northern Ireland will then host Georgia at the National Football Stadium at Windsor Park on Monday 5 October.
All updates regarding the Irish Football Association and Northern Ireland football are available through their official channels.