Chicago Bears reach agreement to trade for Khalil Mack from Oakland Raiders - ESPN
The Raiders-Bears trade for Khalil Mack changed the NFL - Sports Illustrated
Khalil Mack trade, revisited: Why the Bears sent their All-Pro rusher to Chargers in lopsided deal
Raiders' 17th game will bring visit from Khalil Mack, Bears – East Bay Times
Transaction: Chargers Acquire Six-Time Pro Bowl OLB Khalil Mack
Raiders' Khalil Mack voted Sporting News Defensive Player of the Year for 2016
Raiders' Khalil Mack makes history as an AP All-Pro at 2 positions - ABC7 Chicago
Khalil Mack trade: Bears, Raiders have agreement in place - Windy City Gridiron
Khalil Mack runs riot against the Packers: The defensive end makes the Bears look good, but he makes the Raiders look terrible.
Report says chance Raiders will trade Khalil Mack 'very real', Raiders/NFL
MMQB: On Khalil Mack, Aaron Donald and the Value of a Franchise Defensive Player - Sports Illustrated
Dougherty: Khalil Mack should have been worth more to Packers than Bears
Khalil Mack becomes highest-paid defensive player in NFL history, NFL News