Wisconsin radio broadcaster Jim Irwin was known for his long tenure as the radio voice of the Green Bay Packers, but the legendary voice also called some great moments for the Cardinal and White. Here's a pair of great memories with Jim on the call. First is Wisconsin topping Magic Johnson's Michigan State squad with a last second heave in 1979, and then the Badgers knocking off the top-ranked Michigan Wolverines at Camp Randall in 1981.