The University of Michigan is appealing the NCAA's ruling on Michigan football sign-stealing scandal. The governing body fined the school millions.

Jim Harbaugh is refusing to comment on the NCAA's decision to fine the University of Michigan tens of millions of dollars and to suspend head coach Sherrone Moore for a third game due to the sign-stealing scandal that occurred during Harbaugh's tenure at his alma mater.

Here's what you need to know on why the NCAA didn't issue a postseason ban to U-M as part of its punishments for the sign-stealing scandal report.