| 1 | A | B | C | D |
| --- | --- | --- | --- | --- |
| 2 | Birmingham, Alabama - Sports |  |  |  |
| 3 | Club | League | Venue | Founded |
| 4 | Birmingham Barons | Southern League baseball | Regions Field | 1885 |
| 5 | Birmingham Legion FC | USL Championship | BBVA Compass Field | 2019 |
| 6 | Birmingham Iron | Alliance of American Football | Legion Field | 2019 |
| 7 | Birmingham Bulls | Southern Professional Hockey League | Pelham Civic Center | 2017 |

Question: Who introduced the Birmingham Iron?
Answer: The Alliance of American Football, introduced the Birmingham Iron, in 2019.