Unai Emery was left frustrated after Aston Villa suffered another disappointing Premier League defeat, but the aftermath of the match has now created an even bigger talking point around the club.
Villa were beaten 2-1 by Nottingham Forest at Villa Park, meaning Emery’s side are still waiting for their first Premier League victory of the season. After a difficult opening period, there appeared to be some light at the end of the tunnel when Alysson pulled a goal back following Liam Delap’s opener.

The equaliser gave Villa renewed confidence, and for a period they looked like the team most likely to find the next goal.
Then came the incident that changed the complexion of the game.
Ian Maatsen was forced off after a challenge from Nottingham Forest’s James McAtee. The Forest player was shown a yellow card, but Villa felt the punishment should have been much more severe.
The challenge occurred away from the ball and resulted in Maatsen being unable to continue. With Emery having already used all of his substitutions, Villa were effectively reduced to 10 players for the remainder of the match.
That understandably left Emery furious.
Speaking after the game, the Aston Villa boss questioned why VAR had not intervened and suggested that McAtee should have been shown a red card for the tackle.
From Villa’s perspective, the frustration was not simply about the challenge itself. Maatsen’s injury had a direct impact on the final stages of the match, and Forest eventually took advantage of the space on Villa’s left side to score the decisive goal.
However, Emery’s comments have now been challenged by former PGMOL chief Keith Hackett.
Hackett believes the referee and VAR team were correct to stick with a yellow card, arguing that the challenge did not reach the threshold required for Serious Foul Play.
His assessment was particularly direct.
Hackett said Emery should reconsider his description of the tackle and withdraw his comment that it was a red-card offence.
According to Hackett, the replays showed that the officials had judged the incident correctly and that McAtee’s tackle fell under the definition of a reckless challenge.
The laws of the game distinguish between reckless conduct, which requires a yellow card, and Serious Foul Play, which warrants a sending-off.
Hackett’s interpretation is therefore that while the challenge was dangerous and deserved punishment, it did not automatically become a red-card offence simply because Maatsen was injured.
That is likely to frustrate Villa supporters even further.
The consequences of the incident were significant regardless of the final disciplinary decision. Maatsen could not continue, Villa were forced to play a man down, and the defensive reshuffle ultimately contributed to the circumstances surrounding Forest’s late winner.
John McGinn was required to cover the area, but Forest eventually found the opening they needed.
That leaves Villa with a painful feeling of what might have been.
Had Maatsen remained on the pitch, Emery may have had another option defensively and the late goal could potentially have been avoided. Of course, that cannot be proven, but it explains why the Villa manager was so angry immediately after the final whistle.

For Emery, the defeat was already a major disappointment.
Villa had finally scored their first goal of the Premier League season and appeared to be building momentum. Instead, they left Villa Park empty-handed once again.
The controversy surrounding McAtee’s challenge has now added another layer to an already difficult evening.
Emery believes Villa were denied the protection they deserved.
Hackett believes the officials got the decision right.
And with Maatsen’s injury potentially adding another concern for the Villa boss, the debate over that challenge is unlikely to disappear anytime soon.