"I think [there is] frustration for fans watching games when they see a promising counter-attack that's ruined by that [a tactical foul]," Bullingham said.
"The question of whether a yellow card is sufficient for that has led to us looking at whether that should be involved in the protocol as well.
How about we start with yellows, and see where that takes us, and specifically where it takes quality of refereeing of Man City games.