Complex sentence: It was awarded by the Pittsburgh Courier from 1920 to 1980, the Sheridan Broadcasting Network since 1981 and the American Sports Wire has awarded a black college football national championship since 1990.
Split into simpler sentences: It was awarded by the Pittsburgh Courier from 1920 to 1980 and the Sheridan Broadcasting Network since 1981. The American Sports Wire has awarded a black college football national championship since 1990.