Photos from the Week 8 game at Soldier Field between the Chicago Bears and San Francisco 49ers on Oc. 31, 2021.
(Armando L. Sanchez, José M. Osorio)

Fans tailgate before the Chicago Bears play the San Francisco 49ers at Soldier Field on Oct. 31, 2021 in Chicago Many fans arrived in costume for the Halloween day game. (Armando L. Sanchez / Chicago Tribune)

Fans tailgate in a parking lot before the Chicago Bears play the San Francisco 49ers at Soldier Field on Oct. 31, 2021 in Chicago. (Armando L. Sanchez / Chicago Tribune)

A football fan drinks a beer through his “Friday the 13th” Jason mask while tailgating before the Chicago Bears play the San Francisco 49ers at Soldier Field on Oct. 31, 2021 in Chicago. (Armando L. Sanchez / Chicago Tribune)

Dressed as the character Mario, Mike Hamling grills while tailgating before the Chicago Bears play the San Francisco 49ers at Soldier Field on Oct. 31, 2021 in Chicago. (Armando L. Sanchez / Chicago Tribune)

Bears fans wear sombreros while tailgating before the Chicago Bears plays the San Francisco 49ers at Soldier Field on Oct. 31, 2021 in Chicago. (Armando L. Sanchez / Chicago Tribune)

Halloween themed cake pops sit on the table while fans tailgate before the Chicago Bears play the San Francisco 49ers at Soldier Field on Oct. 31, 2021 in Chicago. (Armando L. Sanchez / Chicago Tribune)

Jordan Gomez, left, chats with Miguel Valdivia while tailgating before the Chicago Bears play the San Francisco 49ers at Soldier Field Sunday Oct. 31, 2021 in Chicago. (Armando L. Sanchez / Chicago Tribune)

San Francisco 49ers fans take a shots before the first quarter against the Chicago Bears at Soldier Field on Oct. 31, 2021 in Chicago. (Armando L. Sanchez / Chicago Tribune)