In 1980, he won the provincial heavyweight championship in wrestling. Molle’s wrestling career included four Canadian heavyweight championships; a fifth place at the 1983 world championships; a bronze medal at the 1983 Pan American Games; a bronze medal at the 1984 World Cup, and a silver medal at the 1984 Olympic Games in Los Angeles and a four time USA Wresting Collegiate Champion from 1983 – 1986.
Molle also excelled in professional football, playing for seven years with the Winnipeg Blue Bombers. He was a part of two Grey Cup championships with Winnipeg in 1988 and 1990.
Bob Molle was inducted into the following Halls of Fame; SFU in 1990, the NAIA Hall of Fame in 1991, the Canadian Wresting Hall of Fame in 1992, and the Saskatoon Sports Hall of Fame in 1993.