Bears struggle with Mack sidelined, Nagy missing game

Chicago Bears quarterback Justin Fields walks off the field after throwing a late fourth quarter interception in an NFL football game against the San Francisco 49ers Sunday, Oct. 31, 2021, in Chicago. The 49ers won 33-22. (AP Photo/Nam Y. Huh)

San Francisco 49ers running back Eli Mitchell (25) carries the ball during the second half of an NFL football game against the Chicago Bears Sunday, Oct. 31, 2021, in Chicago. (AP Photo/Nam Y. Huh)

San Francisco 49ers quarterback Jimmy Garoppolo puts his head down and scores between Chicago Bears safety Tashaun Gipson (38) and DeAndre Houston-Carson during the second half of an NFL football game against the Chicago Bears Sunday, Oct. 31, 2021, in Chicago. (AP Photo/Nam Y. Huh)

The Chicago Bears gang tackle San Francisco 49ers tight end Charlie Woerner during the second half of an NFL football game Sunday, Oct. 31, 2021, in Chicago. (AP Photo/Nam Y. Huh)

San Francisco 49ers running back Eli Mitchell, center, caught in a scrum, is pushed into the end zone for a touchdown during the second half of an NFL football game against the Chicago Bears Sunday, Oct. 31, 2021, in Chicago. (AP Photo/Nam Y. Huh)

San Francisco 49ers quarterback Jimmy Garoppolo (10) dives into the end zone past Chicago Bears linebacker Trevis Gipson for a touchdown during the second half of an NFL football game Sunday, Oct. 31, 2021, in Chicago. (AP Photo/David Banks)