Estel S. "Zit" Tessmer (February 25, 1910 – June 5, 1972) was an American football and basketball player.

After losing the starting quarterback job to Newman, Tessmer also played some games at the right halfback position.

[5] Tessmer also played three years as a guard for the Michigan Wolverines men's basketball team from 1931 to 1934.

[4] He later became a teacher and basketball coach at Bay City Central High School.

[6] He also threw two no-hit games as a baseball pitcher in intramural sports while attending Michigan.