Fiesta of skulls and sombreros

Mexican fans flock to Azteca to watch Raiders outduel Texans

Mexicans welcomed Monday night's return of the NFL in festive fashion, wearing sombreros and skull masks - but also wondering why the league waited so long to come back.

A sea of fans draped in the silver and black of the Oakland Raiders invaded Azteca stadium, Mexico City's mecca of "futbol," for the team's "home game" against the Houston Texans.