Middlesbrough FC Record Transfers
Paid
| Name | Opponents | Cost |
| Britt Assombalonga | Nottingham Forest | £15,000,000.00 |
| Afonso Alves | Heerenveen | £12,000,000.00 |
| Marten De Roon | Atalanta | £12,000,000.00 |
| Will Lankshear | Tottenham Hotspur | £10,000,000.00 |
| Jordan Rhodes | Blackburn Rovers | £9,000,000.00 |
| Martin Braithwaite | Toulouse | £9,000,000.00 |
| Massimo Maccarone | Empoli | £8,150,000.00 |
| Ugo Ehiogu | Aston Villa | £8,000,000.00 |
| Adama Traroe | Aston Villa | £7,000,000.00 |
| Aden Flint | Bristol City | £7,000,000.00 |
| Ashley Fletcher | West Ham United | £7,000,000.00 |
| Fabrizio Ravanelli | Juventus | £7,000,000.00 |
| George Saville | Millwall | £7,000,000.00 |
| Martin Payero | Banfield | £7,000,000.00 |
| Morgan Whittaker | Plymouth Argyle | £7,000,000.00 |
| Jonathan Woodgate | Real Madrid | £7,000,000.00 |
| Radek Vitek | Manchester United | £7,000,000.00 |
| Ashley Phillips | Tottenham Hotspur | £7,000,000.00 |
| David Strelec | Slovan Bratislava | £6,500,000.00 |
| Gareth Southgate | Aston Villa | £6,500,000.00 |
| Emmanuel Latte Lath | Atalanta | £6,000,000.00 |
| Mido | Tottenham Hotspur | £6,000,000.00 |
| Robert Huth | Chelsea | £6,000,000.00 |
| Rudy Gestede | Aston Villa | £6,000,000.00 |
| Max Arfsten | Columbus Crew | £5,600,000.00 |
| Patrick Bamford | Chelsea | £5,500,000.00 |
| Stewart Downing | West Ham United | £5,500,000.00 |
| Adilson Malanda | Charlotte FC | £5,000,000.00 |
| Darren Randolph | West Ham United | £5,000,000.00 |
| Finn Azaz | Aston Villa | £5,000,000.00 |
Reveived
| Name | Opponents | Cost |
| Emmanuel Latte Lath | Atlanta United | £22,000,000.00 |
| Djed Spence | Tottenham Hotspur | £20,000,000.00 |
| Adama Traroe | Wolverhampton Wanderers | £18,000,000.00 |
| Ben Gibson | Burnley | £15,000,000.00 |
| Hayden Hackney | Everton | £15,000,000.00 |
| Morgan Rogers | Aston Villa | £15,000,000.00 |
| Juninho | Atlético Madrid | £13,000,000.00 |
| Chuba Akpom | Ajax | £12,000,000.00 |
| Finn Azaz | Southampton | £12,000,000.00 |
| Marten De Roon | Atalanta | £12,000,000.00 |
| Rav van den Berg | FC Köln | £11,000,000.00 |
| Patrick Bamford | Leeds United | £10,000,000.00 |
| Stewart Downing | Aston Villa | £10,000,000.00 |
| Gaston Ramirez | Sampdoria | £9,800,000.00 |
| Jonathan Woodgate | Tottenham Hotspur | £8,000,000.00 |
| Jordan Rhodes | Sheffield Wednesday | £8,000,000.00 |
| Yakubu | Everton | £8,000,000.00 |
| Adam Johnson | Manchester City | £7,000,000.00 |
| Afonso Alves | Al Sadd | £7,000,000.00 |
| Marcus Tavernier | Bournemouth | £7,000,000.00 |
| Martin Braithwaite | Leganés | £7,000,000.00 |
| Paul Merson | Aston Villa | £6,700,000.00 |
| Luke Young | Aston Villa | £6,000,000.00 |
| Adam Reach | Sheffield Wednesday | £5,000,000.00 |
| Fabrizio Ravanelli | Marseille | £5,000,000.00 |
| Gary Pallister | Manchester United | £5,000,000.00 |
| Isaiah Jones | Luton Town | £5,000,000.00 |
| Jelle Vossen | Burnley | £5,000,000.00 |
| Josh Coburn | Millwall | £5,000,000.00 |
| Lee Cattermole | Wigan Athletic | £5,000,000.00 |