Eric and Brian go position by position grading the 49ers defensive through the first five weeks of 2021. Players that a over/under performing and some surprises on the roster. Are big names like Nick Bosa, Arik Armstead and Fred Warner where the 49ers need them to be? How is DeMeco Ryans performing in his first season as defensive coordinator? Learn more about your ad choices. Visit podcastchoices.com/adchoices