John discusses how the latest injury to Brock Purdy could lead to the downfall of the 49ers if Sam Darnold doesn't pan out. Then, he dives into the Browns and their QB issues with Watson having to miss another game. Later, John talks about two possible running backs that could be on the move before the trade deadline.

Finally, John answers your questions in today's mailbag.

Follow John on Twitter, Instagram and YouTube for the latest. Check out Gametime - the fastest growing ticketing app in the US, and the official ticketing app of 3 & Out and GoLow - for tickets to all of your favorite NFL, NBA, NHL, NCAA teams. Concert and comedy show tickets, too. Go to Gametime now to create an account, download the app and use code JOHN for $20 off your first purchase. #Volume #Herd

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Prenatal (Antepartum) Care: Part 3