Biri played as a goalkeeper for a number of clubs, most notably Padova and MTK Budapest FC, also representing Hungary in the 1924 Summer Olympics.
Born in Budapest, Biri career in football started in a hometown club, Kispest AC at the age of 19.
After two seasons in Italy, he returned to Hungary, passing through several teams,[4] without much success, having short spells in France and Portugal, retiring in 1936, at age 35.
After a brief spell with Académico Porto, he was then hired by Benfica's President, Augusto da Fonseca Jr.
In the eight seasons he spent there, he successfully challenged Sporting dominance, claiming 3 Primeira Liga titles and 3 Taça de Portugal.