Career
He was drafted by the San Diego Chargers in the fourteenth round of the 1963 American Federation of Labor-Congress Draft. He was also drafted by the San Francisco 49ers in the fourth round of the 1963 NFL Draft. Rosdahl played college football at Penn State University and attended Ridgefield Park High School in Ridgefield Park, New Jersey.
Rosdahl died at the age of 62 on June 15, 2004, of a fall suffered at his home in Ridgefield Park.