Brock Purdy steps up in 49ers' win after Jimmy G sustains season-ending broken foot

Matt Maiocco and Carlos Ramirez discuss Jimmy Garoppolo's season-ending injury, Brock Purdy leading the 49ers to victory over the Dolphins and what comes next for San Francisco. Plus, Jennifer Lee Chan joins 49ers Talk to analyze the defense’s performance and if the chances Trey Lance returns this season increased after Garoppolo’s injury.

(1:50) Garoppolo sustains season-ending injury vs. Dolphins

(6:16) Can the 49ers’ defense lead them to the SB?

(12:43) How can Purdy continue his success?

(20:13) 49ers sign Johnson as backup QB

(30:15) Will Shanahan’s offense make the transition to Purdy smooth?

(40:50) What will Josh Johnson bring to 49ers' roster?

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