Despite a mediocre showing offensively, the 49ers’ defense showed why they’re the top defense in the league, shutting out Saints for the first time in 21 years. Now, the Niners face perhaps their most difficult test of their remaining schedule this week against Tua, Mike McDaniel and the Dolphins. Can the Niners convert in the red zone? Can the defensive line expose the Dolphin’s offensive line to slow down their speedsters? Listen in to hear Grandpa, Jared and Josh break it down.