Niners Nation: For San Francisco 49ers Fans

DeMeco Ryans wasn't shy about placing the blame for the defense's struggles last week against Las Vegas, and where they need to improve against Arizona. Also, we hear Cardinals DC Vance Joseph's scouting report on Brock Purdy. Learn more about your ad choices. Visit podcastchoices.com/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices