Kyle Shanahan previews 49ers' season opener, Christian McCaffrey listed as questionable

Matt Maiocco speaks with San Francisco 49ers coach Kyle Shanahan about their Week 1 matchup vs. the Seattle Seahawks and why he's optimistic about Christian McCaffrey's health despite the star running back being listed as questionable for Sunday's game. Greg Papa also joins to provide an encouraging update on his cancer battle. Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.