

Introduction
Gilberto Ribeiro de Carvalho, commonly known as Biro-Biro (born June 29, 1964) is a retired professional Brazilian footballer who played as a left back for several Campeonato Brasileiro Série A clubs.
Career
Born in Guarujá, São Paulo, Biro-Biro played for Bragantino from 1990 to 1992, winning the Placar's Campeonato Brasileiro Série A Bola de Prata award in 1990, and helping his club finish as Campeonato Brasileiro Série A runner-up in 1991. After playing for Sport in 1992 and in 1993, Palmeiras in 1994, playing two Copa Libertadores games, and Paysandu in 1994 and in 1995, when he played 25 Série A games, then he returned to Bragantino in 1996, where he played 15 more Campeonato Brasileiro Série A games. He eventually retired while playing for Sinop.