List of Middlesbrough F.C. players Notable players Notable players

| Nationality | Position_ | Boro_career | Captaincy | Appearances | Goals |
|---|---|---|---|---|---|
| Scotland | Left-half Left-back | 1899–1900 | 1899–1900 | 34 | 0 |
| Scotland | Left-back | 1899–1904 | – | 136 | 1 |
| England | Centre-half | 1900–1901 | 1900–1901 | 29 | 4 |
| England | Right-half | 1900–1905 | 1901–1903 | 114 | 12 |
| Scotland | Left-half Centre-half | 1900–1906 | – | 201 | 8 |
| Scotland | Inside-left Centre-forward | 1901–1906 | – | 135 | 34 |
| England | Centre-half | 1901–1906 | – | 149 | 9 |
| England | Goalkeeper | 1901–1923 | 19??–1914 | 602 | 2 |
| England | Right-back | 1902–1906 | – | 100 | 0 |
| Scotland | Right-half Centre-half | 1903–1910 | 1907–19?? | 242 | 6 |
| England | Forward | 1905–1910 | 1905–1907 | 178 | 65 |
| England | Inside-right | 1905–1910 | – | 130 | 62 |
| England | Wing-half | 1905–1913 | – | 113 | 2 |
| England | Inside-left Centre-forward | 1906–1913 | – | 143 | 55 |
| Scotland | Right-back | 1908–1913 | – | 148 | 0 |