Bars, 26, signed with the Bears as an undrafted free agent out of Notre Dame in 2019. Chicago waived him coming out of the preseason and he re-signed to the practice squad.
The Bears promoted Bars later in the season to the active roster. He re-signed as an exclusive rights free agent in 2021.
In 2021, Bars appeared in all 17 games for the Bears and made three starts.