The star defensive end and the Raiders have made no progress in contract negotiations, and Mack will likely now miss regular-season games as a result, a source told Charles Robinson of Yahoo Sports.
The 2016 Defensive Player of the Year is pushing to be the NFL's highest-paid defender (currently Von Miller is at just over $19 million per season), but Oakland hasn't engaged with its top pass-rusher in months, a source told Robinson.
While head coach Jon Gruden hasn't been directly involved in talks with Mack, he will reportedly have final say over the player's fate.
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