Summary: KJ is joined by former 49ers defensive lineman and newest NBC Sports Bay Area analyst Ian Williams. The two talk about San Francisco's defensive line, Arik Armstead's up and down career, Richard Sherman, Reuben Foster, Jimmy Garoppolo and trading for Khalil Mack. Make sure to rate, subscribe and share the KJ Podcast to fellow 49ers fans. Follow KJ on Twitter: @Mr_KevinJones
