Joe Paterno and Amos Alonzo Stagg are tied at 548.
Joe Paterno Penn State coach
Alonzo Stagg and Joe Paterno are tied
I believe the answer is General Robert Neyland at Tennessee, who had 112 shutout victories in 216 games coached....over half his games. Fielding Yost had 124 shutouts in 204 games at Michigan from 1901-1926.
Michigan in FBS