WATCH: A Brief History of Overt Racism in Professional Soccer

When fans barred a black man from boarding a train as they chanted racist lyrics after the Chelsea vs. PSG match on Feb. 17, it was only the most recent in a long history of similarly egregious acts.

Professional soccer is no stranger to racism. While such acts of overt bias should anger us, they should not surprise us. Whether it's chanted slurs, especially dirty tackles, or thrown bananas, racist behaviors emerge from a racist culture.

Below are videos of six of the most infamous incidents of racism in professional soccer since 2011. It is important to remember that these acts are only the explicit tip of an implicit iceberg. These are only some of the examples captured on video.