Here’s how 49ers’ Brock Purdy rapidly progressed through NFL concussion protocol to start Week 8 vs. Bengals | CBS Sports Headlines Here’s how 49ers’ Brock Purdy rapidly progressed through NFL concussion protocol to start Week 8 vs. Bengals It might be the shortest stint in the protocol this season ESN … Continue reading Here’s how 49ers’ Brock Purdy rapidly progressed through NFL concussion protocol to start Week 8 vs. Bengals