Raiders'KhalilMack seeks to build on stellar rookie year
Murphy: Packers were 'aggressive' in trying to sign Khalil Mack last summer
Led by Mack, Bears defense turns in best effort of season
Bears Greats Take Shots at Khalil Mack, Akiem Hicks
Raiders GM Reggie McKenzie explains trade of Khalil Mack
Chicago Bears Q&A: Did they lose the Khalil Mack trade?
Browns Rumors: Proposed Trade Sends Khalil Mack to Cleveland
LB Khalil Mack: Playoff loss 'like a nightmare,' Chargers planning 'to make sure that it doesn't happen again'
The most impressive thing about Khalil Mack is ______. Our writers fill in the blanks on 4 Mack-related topics before the Bears face the Raiders in Week 5.