Definitive Illegal Formation Rules

[Razz]

He is correct. Not having ML/MC/MR is not illegal as I have also played against teams without one and no possession penalty was given

Please explain why this formation is illegal then:


Consistently, lack of a mid-row player results in an illegal formation.
If you can show otherwise, please do. I can't.
If you can provide an alternate theory why the above 5-0-0-3w-2 formation is illegal, please do. I can't.