Periodicals include magazines, newspapers, and scholarly journals. Works cited entries for periodical sources include three main elementsâthe author of the article, the title of the article, and information about the magazine, newspaper, or journal.
While the percentage of black NFL players currently hovers around 70%, the corresponding percentage of black NFL coaches currently hovers around 6%.
Black players in professional American football - Early years. 1  Charles Follis is believed to be the first black professional football player, having played for the Shelby Steamfitters from 1902 to 1906. Follis, a two sport athlete, was paid for his work beginning in 1904.