The Football Review Committee's rule changes have reinvigorated the game, but two games over the course of the weekend highlighted one area where tweaks will surely have to be made.
Kerry were arguably at their best when reduced to 13 men in their Division 1 win over Tyrone in Pomeroy, while Galway dispatched Donegal in the top tier at Pearse Stadium, as playing with 13 men never threatened to thwart their path to victory.
The FRC edict on teams with 15 men on the field keeping three players in their own half clearly hamstrings those sides with a numerical advantage after black or red cards or handed out to their opponents, as evidenced in both those contests.
"It was a talking point before this weekend as it looked as if black and red cards weren't impacting games as much as they have in previous years," Enda McGinley said on The Sunday Game.
"It's a little bit of the law of unintended consequences, in terms of the FRC.
"I would imagine they did balance this up and this was flagged up last year, in terms of the interpro games, where it was mentioned, but I think the FRC was banking on teams using more kicking to attack faster and that if there were extra forwards up the pitch that there would be gain there.
"That element hasn't come into the game as much as we would have thought.
"Most attacks are being run up the pitch, which means the extra men up the pitch, you're getting no attacking (advantage)."
Under football's new rules, red and black cards aren't negatively impacting those sides at a numerical 'disadvantage'. 'Not fit for purpose' was Lee Keegan's blunt assessment of how the rules are panning out, with amendments likely soon. #rtegaa pic.twitter.com/lXgR9UqYwA
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Lee Keegan added: "The teams that are losing men are not getting punished at all.
"They are gaining from the fact that 'we're going to keep these guys up and we're actually going to hold on to the ball and we're going to keep playing the way we were playing' and it's the team that have the full complement of players that are actually getting punished, and they're keeping their discipline."
The existing rules can be altered after the next round of matches, with the Mayo man unequivocal on whether this particular law is ripe for change.
"They have to because it's not fit for purpose," Keegan said.
"It's null and void for the team that actually is disciplined and keeping their temper and going about the game in the right manner.
"Today we saw clearly that it didn't influence Donegal or Tyrone."