en: While the exclusion of black players was not a written rule , since 1933 no Afro-American had played in the National Football League . While the exclusion of black players was not a written rule , no African-American had played in the National Football League since 1933 .
ms: Walaupun pengecualian pemain hitam bukanlah peraturan bertulis, sejak 1933 tiada Afro-Amerika telah bermain dalam Liga Bola Sepak Kebangsaan. Walaupun pengecualian pemain hitam bukanlah peraturan bertulis, tiada orang Afrika-Amerika yang bermain di Liga Bola Sepak Kebangsaan sejak 1933.