Thomas Michael Flanagan (born 21 October 1991) is a professional footballer who plays as a defender for EFL League One club Sunderland and the Northern Ireland national football team.
International Career
On 7 November 2012, Flanagan was called up to the Northern Ireland U21 team for their International Challenge Match against England which was played on 13 November 2012. On 24 August 2016 Flanagan received his first call up to the senior Northern Ireland squad by manager Michael O'Neill. Flanagan made his senior debut for Northern Ireland in a friendly 1–0 win over New Zealand on 2 June 2017.
Paris Saint Germain 
Borussia Dortmund 
Real Madrid 
Bayern Munich 
Club Brugge 
Fiorentina 
Atalanta 
Marseille 
Bayer Leverkusen 
Roma 
Catanzaro 
Sampdoria 
Concarneau 
Bordeaux 
Frosinone 
Inter 
Fulham 
Manchester City 
Celtic 
Rangers 
Borussia Monchengladbach 
Eintracht Frankfurt 
RB Leipzig 
Werder Bremen 
Spartak Moscow 
Krasnodar 
Everton 
Sheffield Utd 
Tottenham 
Burnley 
Villarreal 
Sevilla 
Shakhtar Donetsk 
Dynamo Kyiv 
Zenit Saint Petersburg 
CSKA Moscow 
Napoli 
Bologna 
Nottingham Forest 
Chelsea 
FSV Mainz 05 
Granada CF 
Valladolid 
Espanyol 
AC Milan 
Cagliari 
Lazio 
Empoli 
Orenburg 
Lokomotiv Moscow 
Ajax 
Almere City FC 
Fortuna Sittard 
PSV 
Go Ahead Eagles 
AZ Alkmaar 
NEC Nijmegen 
Feyenoord