Bo Schembechler and Lou Holtz, pregame, UM Football vs Notre Dame, 1989

[Holtz on left, Notre Dame's Todd Lyght in background]

Bo Schembechler, arguing with referee, UM Football, vs Purdue 1969

[at left: assistant coach Jim Young]

Bo Schembechler, arguing with referee, UM Football, vs Purdue 1969

[at left: assistant coach Jim Young]

Bo Schembechler, arguing with referee, UM Football, vs Purdue 1969

[at left: assistant coach Jim Young]

Bo Schembechler, arguing with referee, UM Football, vs Purdue 1969

[at left: assistant coach Jim Young]

Bo Schembechler and Ralph Clayton, UM Football, vs Indiana, 1979,

[just before last play of game, Bo sending in play with Clayton?]