Shea Charles will be a late arrival into the Northern Ireland camp ahead of the Euro 2024 qualifiers against Denmark and Kazakhstan.
The 19-year-old is the only member of the international squad still playing domestic football as he is part of the Manchester City squad preparing for Saturday night's Champions League final against Inter Milan in Istanbul.
Michael O'Neill is hoping the midfielder will join up with the rest of the team in Belfast on Sunday as they prepare for the trip to Denmark ahead of next Friday night's game at the Parken Stadium.