Vic Fangio is in his fourth season as Chicago's defensive coordinator after being hired by the Bears on January 20, 2015. The 2018 season will mark his 32nd year in the NFL and his 19th season as an NFL defensive coordinator.
After inheriting a defense that had ranked 30th in total defense in 2013 and 2014, the Bears finished 14th, 15th and 10th in 2015, 2016 and 2017, respectively. The Bears also finished 2017 tied for third in the NFC and tied for seventh in the NFL with 42 sacks. On five separate occasions last season, the Bears defense held opponents to one or fewer offensive touchdowns (at BAL 0; vs. CAR 0; vs. SF 0; at CIN 1; vs. CLE 0).