Norberg was selected by the Chicago Bears of the National Football League (NFL) in the 18th round, with the 169th overall pick, of the 1943 NFL draft.[1] He signed with the San Francisco 49ers of the newly-formed All-America Football Conference (AAFC) on October 16, 1945.[2] He played in all 14 games for the 49ers during the team's inaugural season in 1946, recording three receptions for 29 yards and also one interception.[3] Norberg appeared in 11 games in 1947, catching two passes for 31 yards.[3] He was released by the 49ers in 1948.[2]
On September 16, 1948, Norberg signed with the Chicago Bears, who had drafted him five years earlier.[2] He played in ten games for the Bears during the 1948 NFL season and caught one pass for four yards.[3] He became a free agent after the 1948 season.[2]