Manchester United manager Erik ten Hag believes Antony's form has been impacted by off-field events.
Ten Hag is sympathetic towards the Brazilian to some extent, given his poor displays this season.
However, he also believes that any distractions for Antony are a result of the player's actions, not any other influence.
"I can explain," Ten Hag told reporters on the winger's form.
"I think it's very simple: his off field issues stop him playing.
"First year was okay, the pre-season was very okay, first four games was very good. For instance, I've seen the game against Spurs back and he played a very good game.
"But from the moment he was out and then he came back he didn't deliver the performance you should expect from him and he can do so much better.
"You mention Ajax, also I look back there: his effectiveness, his end product was higher and also Champions League, very high.
He's capable of doing this, by bringing key actions, key passes, the crosses, the finishing, so his end product at Ajax was very high and he should return to that level. But Premier League is more difficult and he's capable of doing that.
"It has had an effect, it has had an impact on him, definitely... We will give him all the support but he has to do better."