Chelsea defender Antonio Rudiger says "nothing ever really changes" after anti-discrimination campaigns in football, but he will "continue to fight" against racist abuse.
Rudiger said racism goes "a lot deeper" than abuse from the stands or online.
The German, 28, has suffered racist abuse several times during his career.
In a piece for The Players' Tribune, Rudiger said his article, investigations into abuse from people online and in the stands and social media campaigns "will not solve racism" in football.
The Germany international questioned why the recent proposed European Super League collapsed within 72 hours after combined objection from fans, players and the media, while racism remains a "complicated" subject.