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 Learn more about your ad choices. Visit podcastchoices.com/adchoices Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.