In his senior year, he set four passing records by completing 88 of 149 passes for 1,260 yards and a completion percentage of .591. His 88-yard touchdown pass enabled Miami to defeat Purdue, 10–7, for the upset of the collegiate football season in 1962.[3]
Professional career
Kellerman was selected by the Dallas Cowboys in the twelfth round (159th overall) of the 1965 NFL draft. He was converted into a defensive back, but was waived on September 13.
In 1965, he was signed to the taxi squad of his hometown Cleveland Browns based on a recommendation from Schembechler. The next year, he made the team as a safety and played through the 1971 season, recording 17 interceptions over those six seasons. He was named to the Pro Bowl in 1968;[4] he intercepted six passes that year, his highest season total. His lone NFL touchdown came in 1969 on an interception return against the Green Bay Packers.[5] He was released during final roster cuts on September 12, 1972.[6]