Bears acquire Khalil Mack from Raiders, reach $141M extension The Chicago Bears reached a record-setting six-year, $141 million extension with Khalil Mack on Saturday, a source told ESPN's Adam Schefter, after acquiring the pass-rusher from the Oakland Raiders earlier in the day. Read more http://www.espn.com/nfl/story/_/id/...h-agreement-trade-khalil-mack-oakland-raiders