Present five incidences as examples, where sports personalities rights were violated

There are some incidences where athletes experience violation on their rights. The most common reason was racism. 
African-Americans were barred from playing baseball during the heights of segregation so they made their league.
Anthony Mundaine was a player in Australia who chose to be in boxing instead of being in the Rugby League due to racial discrimination.
The 1936 Olympics in Germany did not allow other countries to play. Except if those countries would not protest in any decisions that would happen in the games.
Kevin Prince Boaten, a football player from Ghana, was frequently noticed because of his black color.

Jackie Robinson, experienced being criticized for being black but became the first African-American player.

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