He was selected by the Dodgers with the seventh overall pick of the 1942 NFL draft after playing college football at the University of Southern California.

Robert James Robertson was on June 18, 1917, in Pine Ridge, South Dakota.

[2] Robertson was selected by the Brooklyn Dodgers in the first round, with the seventh overall pick, of the 1942 NFL draft.

[8] Robertson's football career was interrupted by a stint in the United States Navy during World War II.

[1][2] Robertson played for the Los Angeles Bulldogs of the Pacific Coast Professional Football League in 1945 and scored two rushing touchdowns.