Why Didn't The Raiders See If They Could Get More For Khalil Mack?
by Barry Petchesky from Deadspin > Sports News Without Fear, Favor or Compromise on (#41MR0)

The Raiders got a good haul for all-world pass-rusher Khalil Mack, when they traded him to the Bears just before the start of the season. But that doesn't mean they couldn't conceivably have gotten a better one. Now there's a report that says they didn't even try.