Antony, on-Loan at Real Betis from United, when the Laliga-outfit Fiorentina defeated 2-1 in the first leg of their semi-final of the Europa Conference League.
Afterwards De Gea admitted: “I trained a thousand times with him and he has not scored any goal with his right foot in a training session.
“He is in very good condition, he has a brutal one-on-one style, with confidence; when a player is trust, shows how good he is.
“He had a great game and a great goal. I didn't see it coming out, there was a player for him and I couldn't see it.
“He is doing very well with his right foot and I am happy for him because he had a difficult time in Manchester and he shows what a good player he is.”