Bears release QB Trevor Siemian - Chicago Sun-Times
Bears Sign QB PJ Walker New Backup QB
D-II star Tyson Bagent making push to be Bears' backup QB - ESPN
NFL free agency: Chicago Bears expected to sign QB PJ Walker
QB PJ Walker Talks Backing Up Justin Fields - video Dailymotion
The Chicago Bears aren't the only team in need of a new starting QB. Here's where each NFL team stands with a wild offseason of musical chairs under way. – The Morning
News: Roster Moves Chicago Bears Official Website
Report: Bears sign P.J. Walker as possible backup quarterback – NBC Sports Chicago
Poles: Bears in better place after trade, free agency moves
Undrafted Bagent Impresses Bears, But P.J. Walker's Spot Is Secure