It's FOX Sports Sunday with Mark Willard and Nick Bahe! Mark and Nick explain why Michigan fans need to stop with all the 'Fire Jim Harbaugh' talk, why Jon Gruden may have alienated himself by trading Khalil Mack, why they're both rooting against Nick Saban and Alabama in 2018, and much more! Plus, appearances by SiriusXM NFL Radio host Alex Marvez, former NFL executive Joe Banner, and The Athletic - Chicago columnist Jon Greenberg