Weisenburger played
college football as a halfback, fullback and quarterback at the
University of Michigan from 1944 to 1947. He started five games at fullback for the
1944 Michigan Wolverines football team, and played five games at fullback and one at halfback for the
1945 team. In 1946, he started the season as a fullback, but suffered a broken jaw in an early game against
Army. Weisenburger ended up starting three games at quarterback and one each at fullback and halfback for the
1946 team. As a senior, Weisenbuger was the starting fullback for the
1947 Michigan Wolverines football team that finished the season with a 10–0 record and outscored opponents 394 to 53. The 1947 team became known as the "Mad Magicians" and is considered by some to be the greatest Michigan team of all time. One sports writer referred to the 1947 backfield (Weisenbuger,
Bob Chappuis and
Bump Elliott) as "a backfield full of pervasive shadows that flit about like wraiths." The 1947 Michigan team is also notable for head coach
Fritz Crisler's innovation of modern platoon football; Weisenburger was one of two Michigan players in 1947 (the other was Bump Elliott) who played both offense and defense. He finished his football career by scoring three touchdowns in the
1948 Rose Bowl against the
USC Trojans. He scored the game's first touchdown ten minutes into the game and added two more later in the game. He later recalled, "What astonished me was the ease with which our line opened holes for us. It was one of those days when everything clicked." Michigan won the game 49 to 0. Weisenburger was a member of the
Phi Delta Theta fraternity at Michigan. He graduated from Michigan in 1948 with a degree in
physical education. ==Professional baseball==