Osmar Aparecido de Azevedo or simply Osmar (born July 23, 1980 in Marília), is a Brazilian striker. Rio Branco Esporte Clube, usually known simply as Rio Branco or Rio Branco-SP, is a Brazilian football (soccer) club based in the city of Americana in the São Paulo state of Brazil. It plays in the Série A2, the second division, of the Campeonato Paulista.On August 4, 1913, the club was founded as Sport Club Arromba. Rio Branco's first board of directors was composed by João Truzzi, who was one of the club's founders, and by 26 other people. In 1917, the club was renamed to Rio Branco Football Club, after the Baron of Rio Branco.