The defense will feature a slew of familiar faces, with eight of 11 potential starters entering at least their third season in coordinator Vic Fangio's system.
Cornerback Kyle Fuller joined the Bears in 2014, while nose tackle Eddie Goldman, outside linebacker Sam Acho and safety Adrian Amos arrived in 2015, followed by defensive ends Akiem Hicks and Jonathan Bullard, outside linebacker Leonard Floyd and inside linebacker Danny Trevathan in 2016.
"Right now there's a trust from one another because they've been together," said coach Matt Nagy.