University of Denver (DU) Pioneers men's football coaches pose for a group portrait in letterman's jackets on the field at the DU football stadium in Denver, Colorado. Standing (l-r) are Bill Heiss, Dale Hardy, and Cal Stoll. Kneeling (l-r) are head coach John Roning and John Shelley.

University of Denver (DU) Pioneers men's football coaches pose for a group portrait in letterman's jackets on the field at the DU football stadium in Denver, Colorado. Standing (l-r) are Bill Heiss, Dale Hardy, and Cal Stoll. Kneeling (l-r) are John Shelley and head coach John Roning.

University of Denver (DU) Pioneers men's football line coach Cal Stoll poses for a portrait.

University of Denver (DU) Pioneers men's football line coach Cal Stoll poses for a portrait.