Football referees

University of Denver (DU) Pioneers men's football players attempt to tackle an opposing player (44) running the ball as a teammate (70) performs a block. Pioneers quarterback Don McCall (16) can be seen making chase near the play in a game in the University of Denver Stadium in Denver, Colorado.

University of Denver (DU) Pioneers men's football player grabs hold and begins to tackle an opposing player running with the ball in a game in the University of Denver Stadium in Denver, Colorado.

University of Denver (DU) Pioneers men's football players and opposing players pile on top of one another during a play in a game in the University of Denver Stadium in Denver, Colorado.

University of Denver (DU) Pioneers men's football player Joe Strasser (82) is wrapped up and tackled during a game as the ball comes out of his hands.

University of Denver (DU) Pioneers men's football player is tackled with the ball as teammates attempt to block. On the far left Willie Frank (43) is visible, and on the far right Jerry Nawrocki (61) can be seen.

University of Denver (DU) Pioneers men's football player is gang tackled by two opposing players as a third nears the pile. Pioneer players Roger Brandon (87) and Dick Gupton (31) are visible on the right side of the image.

University of Denver (DU) Pioneers men's football player Bob Miller (15) prepares to throw the football as teammates block rushing defenders. Richard Budil (36) can be seen making a diving block.

University of Denver (DU) Pioneers men's football player (21) runs with the ball to the left side as two opposing players, one standing and one diving, attempt to tackle him during a game in the University of Denver Stadium in Denver, Colorado.

University of Denver (DU) Pioneers men's football player Melvin Johnson (43) being brought down by multiple opponents as he runs up the middle with the ball. Teammate Danny Loos (31) can be seen in the backfield in a game in the University of Denver Stadium in Denver, Colorado.

Program for the University of Denver football game against Brigham Young University on Saturday, November 10, 1956 at University of Denver Stadium in Denver, Colorado. Program includes: team rosters, statistics, schedules, team and individual player portraits, school songs and yells.