|Full name||Firmino Beleizão da Graça Sardinha|
|Date of birth||10 September 1945|
|Place of birth||Beja, Portugal|
|* Senior club appearances and goals counted for the domestic league only.
Firmino Baleizão da Graça Sardinha, (born 10 September 1945 in Beja, Portugal), known as Osvaldinho, is a former Portuguese footballer who played as defender for Desportivo Beja, Vitória Guimarães, Boavista F.C., Benfica de São Tomé e Príncipe, Marítimo and Gil Vicente. Osvaldinho played 2 caps for the Portugal national team.
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