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TUSCALOOSA, AL - CIRCA 1972: Sam Cunningham, #39 full back of the University of Southern California Trojans football team runs the ball up field against the University of Alabama Crimson Tide at Bryant-Denny Stadium in Tuscaloosa, Alabama. (Photo by University of Southern California/Collegiate Images via Getty Images)

TUSCALOOSA, AL - CIRCA 1972:  Sam Cunningham, #39 full back of the University of Southern California Trojans football team runs the ball up field against the University of Alabama Crimson Tide at Bryant-Denny Stadium in Tuscaloosa, Alabama. (Photo by University of Southern California/Collegiate Images via Getty Images)