
Formations in football weren't a thing in the early days. This was a sport purely consisting of dribblers and tacklers in the 1800s – but oh, how far we've come.
Full-back formations: four-at-the-back
➝ 4-4-2 and its variations
↳ 4-4-2
↳ 4-4-1-1
↳ 4-1-2-1-2 (4-4-2 diamond)
↳ 4-1-3-2
↳ 4-2-3-1
↳ 4-2-2-2
↳ 4-2-4
➝ 4-3-3 and its variations
↳ 4-3-3
↳ 4-1-4-1
↳ 4-3-2-1
↳ 4-5-1
↳ 4-6-0
Wing-back formations: three/five-at-the-back
➝ 3-4-3 and its variations
↳ 3-4-3
↳ 3-4-2-1
↳ 3-4-1-2
↳ 3-2-4-1
↳ 3-1-3-3
↳ 5-2-2-1
↳ 5-4-1
➝ 3-5-2 and its variations
↳ 3-5-2
↳ 3-5-1-1
↳ 5-3-2