Sports Jim Margraff, Johns Hopkins’ winningest football coach, dies suddenly at 58 January 2, 2019 Scott Boeck, USA TODAY Comments Off on Jim Margraff, Johns Hopkins’ winningest football coach, dies suddenly at 58 Jim Margraff, Johns Hopkins' all-time winningest football coach, died Wednesday at age 58. He was named national coach of the year by D3football.com.