Middlesbrough
Official Name: Middlesbrough Football Club
Formed: 1876 Ground: Riverside Stadium (34,988) Manager: Aitor Karanka [ESP]
| Number | Name | Nat | Pos | Height | Weight | Date of Birth | Birth Place | Previous Club |
| 1 | Jason Steele | ENG | G | 1.88 | 79 | 18-08-90 | Newton Aycliffe | None |
| 2 | ||||||||
| 3 | George Friend | ENG | D | 1.88 | 83 | 19-10-87 | Barnstaple | Doncaster R |
| 4 | Rhys Williams | AUS | D | 1.87 | 72 | 07-07-88 | Perth [AUS] | ECU Joondalup |
| 5 | ||||||||
| 6 | Jacob Butterfield | ENG | M | 1.80 | 78 | 10-06-90 | Bradford | Norwich C |
| 7 | Grant Leadbitter | ENG | M | 1.75 | 65 | 07-06-86 | Chester-le-Street | Ipswich T |
| 8 | József Varga | HUN | M | 1.75 | 71 | 06-06-88 | Debrecen | Debrecen |
| 9 | Danny Graham | ENG | F | 1.83 | 87 | 12-08-85 | Gateshead | Sunderland |
| 10 | Lee Tomlin | ENG | F | 1.80 | 74 | 12-01-89 | Leicester | Peterborough U |
| 11 | Emmanuel Ledesma | ARG | F | 1.80 | 77 | 24-05-88 | Quilmes | Walsall |
| 12 | ||||||||
| 13 | Dimitrios Konstantopoulos | GRE | G | 1.93 | 90 | 29-11-78 | Thessaloniki | AEK |
| 14 | Luke Williams | ENG | F | 1.85 | 74 | 11-06-93 | Middlesbrough | None |
| 15 | Sebastian Hines | ENG | D | 1.88 | 78 | 29-05-88 | Wetherby | None |
| 16 | Andrew Halliday | SCO | M | 1.73 | 67 | 11-10-91 | Glasgow | Livingston |
| 17 | Cameron Park | ENG | M | 1.78 | 71 | 06-07-92 | Marske-by-the-Sea | None |
| 18 | Dean Whitehead | ENG | M | 1.80 | 77 | 12-01-82 | Abingdon | Stoke C |
| 19 | Mustapha Carayol | GAM | M | 1.77 | 75 | 10-06-89 | Banjul | Bristol R |
| 20 | Adam Reach | ENG | D | 1.85 | 73 | 03-02-93 | Gateshead | None |
| 21 | Stuart Parnaby | ENG | D | 1.78 | 70 | 19-07-82 | Durham | Birmingham C |
| 22 | Ben Gibson | ENG | D | 1.85 | 78 | 15-01-93 | Nunthorpe | None |
| 23 | Curtis Main | ENG | F | 1.78 | 67 | 20-06-92 | South Shields | Darlington |
| 24 | Nathaniel Chalobah | ENG | D | 1.85 | 75 | 12-12-94 | Freetown | Chelsea |
| 25 | Kenneth Omeruo | NGA | D | 1.85 | 79 | 17-10-93 | Kaduna | Chelsea |
| 26 | Daniel Ayala | ESP | D | 1.91 | 84 | 07-11-90 | El Saucejo | Norwich C |
| 27 | Albert Adomah | GHA | F | 1.85 | 74 | 13-12-87 | Lambeth | Bristol C |
| 28 | Bryn Morris | ENG | D | 1.82 | 71 | 25-04-96 | Hartlepool | None |
| 29 | Kei Kamara | SLE | F | 1.88 | 75 | 01-09-84 | Lawndale | Sporting Kansas City |
| 30 | Adam Jackson | ENG | D | 1.87 | 78 | 18-05-94 | Darlington | None |
| 31 | ||||||||
| 32 | Jayson Leutwiler | SUI | G | 1.92 | 80 | 25-04-89 | Basel | Basel |
| 33 | ||||||||
| 34 | Ryan Brobbel | NIR | M | 1.75 | 66 | 05-03-93 | Hartlepool | None |
| 35 | Tomás Mejías | ESP | G | 1.94 | 81 | 30-01-89 | Madrid | Real Madrid |
| 36 | David Atkinson | ENG | D | 1.75 | 70 | 27-04-93 | Shildon | None |
| 37 | Mark Kitching | ENG | D | 1.88 | 74 | 04-09-95 | Guisborough | None |
| 38 | ||||||||
| 39 | Jonathan Woodgate | ENG | D | 1.89 | 80 | 22-01-80 | Middlesbrough | Stoke C |
| 40 | ||||||||
Players no longer at this club |
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| Number | Name | Nat | Pos | Height | Weight | Date of Birth | Birth Place | New Club |
| 2 | Justin Hoyte | ENG | D | 1.80 | 70 | 20-11-84 | Waltham Forest | Millwall |
| 33 | Richard Smallwood | ENG | M | 1.80 | 72 | 29-12-90 | Dormanstown | Rotherham U (On Loan) |
| 5 | Frazer Richardson | ENG | D | 1.80 | 75 | 29-10-82 | Rotherham | Ipswich T (On Loan) |
| 9 | Lukas Jutkiewicz | ENG | F | 1.85 | 73 | 28-03-89 | Southampton | Bolton W (On Loan) |
| 38 | Faris Haroun | BEL | M | 1.88 | 73 | 22-09-85 | Brussels | Blackpool |
| 10 | Marvin Emnes | NED | F | 1.80 | 66 | 27-05-88 | Rotterdam | Swansea C (On Loan) |
| 12 | Shay Given | IRL | G | 1.88 | 84 | 20-04-76 | Lifford | Aston Villa |
| 31 | Connor Ripley | ENG | G | 1.80 | 76 | 13-02-93 | Middlesbrough | Östersunds FK (On Loan) |