Bo-Jackson-Double-Duty-web-header Published September 22, 2017 at 904 × 423 in ‘Double Duty’ Radcliffe: Chicago’s own Negro League superstarNext → One “double duty” superstar greets another at U.S. Cellular Field. Bo Jackson shares a highlight of his day, greeting Duty on one of his frequent appearances on the South Side in the early 2000s. Photo courtesy of Chicago White Sox.