MMQB: On Khalil Mack, Aaron Donald and the Value of a Franchise Defensive Player - Sports Illustrated
The Raiders Reportedly Asked the Bears to Trade Back Khalil Mack - Bleacher Nation
Is Oakland Raiders DE Khalil Mack Realistic Target for Chicago Bears?
Why did the Raiders trade Khalil Mack to the Bears?
Raiders trade star DE Khalil Mack to Chicago Bears
Chicago Bears Q&A: Did they lose the Khalil Mack trade?
The Legacy of the Khalil Mack Trade Still Lingers Over Jon Gruden - The Ringer
Chicago Bears get Khalil Mack from Raiders - The Boston Globe
REPORT: Las Vegas Raiders Made Trade Offer To Bears For LB Khalil Mack - Daily Snark