May also discourage this:
https://www.bbc.com/sport/football/44136512
A World Cup-bound referee has been banned for life for a match-fixing attempt in Saudi Arabia just weeks before he was due to fly to Russia, says the country's football federation.
The Saudi Arabian Football Federation (SAFF) says Fahad Al Mirdasi confessed to offering to fix the King's Cup final between Al Ittihad and Al Faisaly.