The longtime play-by-play radio voice of the Green Bay Packers, Jim Irwin, has died of cancer. Irwin was born and grew up in Linn Creek … and got his start in broadcasting at KRMS. After working at KRMS, Irwin served in the U.S. Army in Korea before majoring in speech at the University of Missouri. He began his association with the Packers on WTMJ radio in Milwaukee in 1969. In addition , Irwin called University of Wisconsin football games for 22 years, Milwaukee Bucks games for 16 years, University of Wisconsin basketball games, filled in for Bob Uecker on Milwaukee Brewers games. Irwin was 77.