new rules on illegal formation?

[t11_fan]

Are 1 central mildfielder formations again legal or they only have less BP punishment?
I played againt 43w3 this season few times. At beginning they had 20% BP, later 33%.

[Buffs Mad]

Are 1 central mildfielder formations again legal or they only have less BP punishment?
I played againt 43w3 this season few times. At beginning they had 20% BP, later 33%.

Low possession for my 4-3W-3 opponent yesterday too. I'm only guessing but I think following the OOP changes and strange possession they might be trying to move away from Legal v Illegal and simply using player penalties......or not. >.<