Up to five Boro players could be on international duty this evening for their respective nations...
Goalkeeper Darren Randolph and the Republic of Ireland take on Switzerland tonight (7.45pm) in a Euro 2020 qualifier as they aim to continue their strong start to their qualifying campaign.
Mick McCarthy's side top their qualifying group for Euro 2020, with three wins and a draw. Boro first team coach Robbie Keane will be alongside McCarthy as his assistant.
Midfield pair Paddy McNair and George Saville are in friendly action for Northern Ireland as they host Luxembourg (7.45pm).
Elsewhere, Marcus Tavernier could be involved for England Under-20s this evening as they face the Netherlands in Shrewsbury (7pm). Stephen Walker is on standby for the Young Lions.
Paddy Reading could feature for Scotland's U21s, who begin their Euro U21 qualifying campaign against San Marino at St Mirren Park (7.30pm).