“When I first heard that the interest could get something serious and actually happen, I started to look for videos of the stadium, the atmosphere, the games, the highlights of the plays and the matches.
“It was a really exciting moment for me. I was really, really glad that the club showed interest. It was incredible. To sign here I am very, very happy.”
Perri began his career at Sao Paulo before moving to Botafogo and then to Lyon.
He has been capped at under-20 and under-23 level for his country.
Frenchman Illan Meslier was Leeds’ number one for most of last season as they won the Championship title, but lost his place to Karl Darlow with seven games remaining following a series of errors.
Leeds’ other summer signings include midfielder Sean Longstaff from Newcastle, left-back Gabriel Gudmundsson from Lille, centre-back Jaka Bijol from Udinese, and centre-back Sebastiaan Bornauw and forward Lukas Nmecha, both from Wolfsburg.
