|Full name||Óscar Bonfiglio Martínez|
|Date of birth||October 5, 1905|
|Place of birth||Estación Ortiz, Sonora, Mexico|
|Date of death||November 4, 1987(aged 82)|
|* Senior club appearances and goals counted for the domestic league only|
Bonfiglio was the first goalkeeper beaten in World Cup history, with a goal by France forward Lucien Laurent. In two matches he conceded 10 goals: the most in the tournament. At the time, he played for the club Marte FC. Bonfiglio suffered an injury and retired from playing at age 28.
- Luna C., Édgar (25 March 2010). "El primer portero de México en un Mundial Óscar Bonfiglio" [The first Mexican goalkeeper at a World Cup Óscar Bonfiglio] (in Spanish). Esto.
- Evans, Hilary; Gjerde, Arild; Heijmans, Jeroen; Mallon, Bill; et al. "Óscar Bonfiglio". Olympics at Sports-Reference.com. Sports Reference LLC. Archived from the original on 2020-04-18.