Match fixing is incapable of violating the rules of the game.
  Since 2004, separate scandals have erupted in prominent sports leagues in Portugal, Germany (Bundesliga scandal), Brazil (Brazilian football match-fixing scandal) and the United States (see Tim Donaghy scandal), all of which concerned referees who fixed matches for gamblers
"=== Increased gate receipts ===In addition to the aforementioned incidents of alleged fixing of drawn matches to ensure replays, mutual fixes have sometimes been alleged in "best of X" knockout series where draws are either not possible or very uncommon

