Former 49ers quarterback and current YouTube star JT O'Sullivan stops by to break down Mac Jones, Trey Lance's pro readiness, why Justin Fields is his favorite quarterback -- and a lot more. 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.