Mailbag: Rookie Sleepers, Next Steps for Justin Herbert, 49ers Super Bowl Window, and More!

Gregg Rosenthal, Jourdan Rodrigue, and Patrick Claybon open up the NFL Daily mailbag and answer listener questions, including which rookie sleepers they're most excited to watch, whether Justin Herbert can become a top ten quarterback, if the 49ers Super Bowl window is closing, who they like in the World Cup, and much more!

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