Jim Harbaugh Talks Mike Macdonald, Defense Two Days Into Spring Ball

Jim Harbaugh explains why he hired Mike Macdonald and how it's working out so far.

We recently broke down what Mike Macdonald's defense might look like using the Baltimore Ravens as a model since that's where Michigan's new defensive coordinator spent the last seven years. Today, Jim Harbaugh explained why he hired the young assistant and shed a little light on how the first two days of practice have transpired.