Tom Brady, Brady moments, USC, Harbaugh , NFL

Tom Brady officially retires. Brady not mentioning the Patriots is NOT an issue. Guest Mark Schlereth. Colins favorite Tom Brady moments. Caleb Williams has transferred to USC. Jim Harbaugh might be close to leaving Michigan for the NFL. Guest Bill Polian. NFL teams who need QBs. More on Tom Bradys retirement. Guests Peter Schrager, Jim Gray.