How have Jon Gruden’s Raiders cast-offs performed elsewhere?

Jon Gruden and the Raiders are tied for the worst record in the NFL. (Aric Crabb/Bay Area News Group)OAKLAND — Disclaimer: Obviously hindsight is 20-20. Jon Gruden had his reasons for making each of the decisions below, and this isn’t to knock him for players that have gone on to perform better elsewhere. Some, like Bruce Irvin and Marquette King, have been equally or even less ineffective in their new uniforms.

Simply for fun, or something like that, let’s have a look at some notable ex-Raiders Gruden either traded, waived or released and how they’re faring (or fared, in the free agent King’s case) with their new teams in 2018.

Traded

Khalil Mack, Bears

The deal: The Raiders gave Mack, a 2020…