If you've been on Twitter during a Mexico game, there's a 90 percent chance you've seen an image of six-fingered Mexican goalkeeper Guillermo Ochoa floating around. The popular myth is that Ochoa ...

Buda Mendes—Getty Images Guillermo Ochoa salutes the crowd at the end of the match between Brazil and Mexico in the Castelao Stadium in Fortaleza during the 2014 FIFA World Cup on June 17, 2014.

Guillermo Ochoa of Mexico holds the ball during the 2014 FIFA World Cup Brazil Group A match between Brazil and Mexico at Castelao on June 17, 2014 in Fortaleza, Brazil. Robert Cianflone/Getty Images ...

FIFA looks at Guillermo Ochoa's bid at reaching a history-setting sixth FIFA World Cup, and the 39-year-old's goalkeeping rivals for places in the Mexico squad.