Controversies in professional sumo

Professional sumo has faced a number of controversies throughout its history, ranging from proven match-fixing scandals to allegations of hazing. == Match-fixing == Due to the hierarchical structure of the sport, where top ranked wrestlers have great advantages in salary and status over lower ranked wrestlers, speculation about the existence of match-fixing and isolated reports of match fixing have surfaced over the years.

Source: Wikipedia — Controversies in professional sumo (CC BY-SA 4.0)