Old 83" diagram football trick play used by fielding Yost in 1907 Penn game

[photographic copy of original, on verso states diagram was made by Fielding Yost in his office for Earl Rathbun on Dec. 22nd 1934]

assistant coach Tony Mason in shirt-sleeves in 20 degree weather, UM Football, vs Ohio State, 1964

{Michiganensian caption: "Ex-Ohioan Tony Mason outdoes shirtsleeved Woody Hayes in the 19-degree Columbus Weather."]