St. Thomas (Minnesota)
"A four-year starter on the St. Thomas team, Dienhart made the starting lineup the first day of his freshman year. A two-year all-conference and all-district selection, he was an NAIA All-American choice in 1974 and an Academic All-American. Mark was the winner of an NCAA Post Graduate Scholarship.
Mark had a 3.98 grade point average as a philosophy major and hopes to work someday in college administration. He enjoys pets, theatre and mystery stories."
-Buffalo Bills 1975 Yearbook