Ernest Mangnall
| Personal information | |||
|---|---|---|---|
| Full name | James Ernest Mangnall | ||
| Date of birth | 30 May 1864 | ||
| Place of birth | Bolton, England | ||
| Date of death | 13 January 1932 (aged 67) | ||
| Place of death | Lytham St Annes, England | ||
| Managerial career | |||
| Years | Team | ||
| 1900–1903 | Burnley | ||
| 1903–1912 | Manchester United | ||
| 1912–1924 | Manchester City | ||
James Ernest Mangnall (30 May 1864 – 13 January 1932) was an English football manager who started his career with Burnley and managed Manchester United between 1903–1912 and then went on to manage Manchester City from 1912 to 1924, and is the only man to have managed both clubs.