Former Chelsea player Jason Cundy has warned Aston Villa that he believes Nicolas Jackson has serious disciplinary problems.

Jackson received a yellow card from referee Andy Madley shortly before half-time in Villa's 1-2 home defeat to Nottingham Forest.

Unai Emery replaced Jackson with Tammy Abraham at the start of the second half, with the score still 0-0. The change did not have the desired effect, and Villa's run without a league win extended to four games.

Speaking about the substitution on talkSPORT's GameDay Phone-In, Jason Cundy said: "It's a big decision to take Nicolas Jackson off at half-time for Abraham, it's a big decision.

"Every time you see that, you think, 'Well, he clearly isn't doing what the manager is asking him to do.' If you're going to take off a striker and make a direct swap... that's unusual, and then it didn't work..."

Speaking about Jackson's performance during his time at Chelsea, Cundy said: "I'm telling you now, Nicolas Jackson's discipline is terrible. I've seen him get red and yellow cards repeatedly, and he doesn't learn. He has disciplinary problems."

Cundy said: "Jackson often gets yellow cards not for tackles, but for talking back to the referee, pulling an opponent's shirt, kicking the ball away, things like that, rather than for a poor tackle."

Cundy added: "His discipline is so bad. Maybe that's why Emery would say, 'Look, I can't accept this. We've warned you, you need to go.'"

Traduzido por IA.

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