The field of the Azteca stadium did not meet NFL standards for playability and consistency. The Azteca Stadium had its natural grass turf replaced in May for a hybrid field used in some of the most famous stadiums in the world such as the Camp Nou in Barcelona and the San Siro in Milan; the installation of the new surface was in completed by Costa Rican company Turf Managers Specialist.

Read more at: NFL Game Relocated due to Poor Stadium Turf Condition Installed by Costa Rican Company