Monday, the near-perfect four-year relationship between the Oakland Raiders and their best player, Khalil Mack, endured its first somewhat rocky moment. In a direct response to the lack of movement in a new contract extension, the Raiders’ star pass-rusher stayed away from the start of the team’s offseason condition program. The sessions are voluntary, but
Bill Williamson has been a professional sports journalist for 28 years. He has covered the NFL for 22 straight years. He has been covering the Oakland Raiders for the past nine years, including seven at ESPN.com.