USATODAY.com - Cardinals deep-six 49ers in historic tilt in Mexico [online], usatoday30.usatoday.com [dostęp 2021-07-22], "Total attendance for record regular season game in Mexico City Azteca Stadium is 103,467 breaking the record of 102,368 who saw the Rams play the 49ers on Nov. 10, 1957, at the Los Angeles Coliseum".