The Argentina goalkeeper upset Lille fans during Villa's shootout triumph as they reached the Europa League semifinals.
Digne said: "He's like that, he has a reputation, he knows how to deal with it and the proof is that he did it well. I'm happy to have him with me, his performance this evening too was excellent.
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"He is an extra asset for the team, he plays well with his feet and is a good goalkeeper. I also understand the French national team because I was there during the World Cup.
"But he's a good person when you get to know him, he's a really good guy."