Grealish has been suspended for violent conduct after a stamp on Wolves
Grealish put his foot in on Wolverhampton Wanderers midfielder Conor Coady after the Wolves man was already on the ground in the 1-1 draw at Villa Park on Saturday.
He has now been served with a three-game suspension for his actions, the first match of which was tonight's clash with Reading at the Madejski Stadium.
The episode is just the latest in a long line of controversies surrounding the England Under-21s star, but at least this time it came as a result of something that happened on the pitch rather than off it.
The 21-year-old has hit the headlines for several indiscretions in his private life, usually allegedly involving either alcohol or the inhalation of nitrous oxide.
Villa owner Tony Xia earlier this season urged Grealish not to let the club down with his behaviour, whilst manager and pundit Ian Holloway suggested that the player needs to sort his life out.
On the field this season he has been in mixed form, scoring twice in 11 appearances in all competitions but experiencing inconsistency in his form.
He will now miss the home clash with Fulham this weekend, and, more significantly, will be unavailable for the second city derby clash against arch-rivals Birmingham City at St. Andrew's on 30 October.
Reacting to the news on Twitter, Villa fans gave Grealish little sympathy.
If any Villa fan thinks Grealish is a 'lad' for stamping on Coady then you're a moron. Needs to grow up quick. #AVFC— Matt Williamson (@MattWilliamsonn) October 18, 2016
Could be a good thing grealish getting banned though, allows Ayew to play on the left where he won player of the month from— Dan Smith (@smithyy02) October 18, 2016
Grealish banned for 3 games? Has he even turned up this season?— Carl (@CarlReevesAVFC) October 18, 2016
Grealish banned, oh how we will miss him cutting Inside and losing the ball #avfc— Matthew Sabin (@MattBrumSabin9) October 18, 2016
Not defending Gabby but if he had done what Grealish has done this season I hate to think how he would have been slaughtered.— Mark(The Villan)Shaw (@shaw532) October 18, 2016
Who's going to fall over every 3 minutes now Grealish isn't playing ?— Mark Hodson (@Hodsonm2) October 18, 2016
Don’t feel sorry for Grealish missing the derby either. Act like an idiot and you get consequences. #avfc— Nick Parr (@NickParr) October 18, 2016
stupid from Grealish, knew he was going to have a ban as soon as he did it #AVFC— Garin Williams (@GarinWilliams) October 18, 2016
Can't say I feel sorry for Grealish, he knew what he was doing and he knew the consequences— Aston (@KingKozak) October 18, 2016