[2][3] During his career, Gatti won three Primera División titles, two Copa Libertadores tournaments, and one Intercontinental Cup, all with Boca Juniors, and played professionally until the age of 44.

Gatti, nicknamed El Loco (The Madman) was recognized for his charisma, his innovative playing style for his position and his eccentricity.

He would frequently leave the penalty area to function as an additional field player, and join his teammates in defense – and many times in attack.

[4] He was also notable at facing penalty kicks, saving 26 of them throughout his career, tied for the most ever in Primera División with contemporary goalkeeper Ubaldo Fillol.

In 1975, he joined Unión de Santa Fe, which put on an impressive season with coach Juan Carlos Lorenzo.

He is the goalkeeper with the most appearances in Boca Juniors history and the second overall player behind Roberto Mouzo, who played in 396 league matches.

As of 2010, he lives in Spain and collaborates with several media outlets, notably "Punto Pelota" now "El Chiringuito de Jugones".

His son Lucas Gatti, born in 1978, was also a professional footballer and played as a midfielder for Argentinos Juniors, Dundee F.C.

[16] For his Boca Juniors career, he was the counterpart of Ubaldo Fillol, another great Argentine goalkeeper who played in the nemesis team, River Plate.