 And before the merger with the NFL, Abner Haynes was one of the big offensive stars in the American Football League. His most productive years were spent with the Kansas City Chiefs franchise, dating back to when the team played in Dallas as the Texans. The stellar running back carried the ball for over 12,000 yards in his career. He also spent time with the Denver Broncos and New York Jets. Abner Haynes has died at age 86.