Counter-Strike: Global Offensive
Casper "ruggah" Due (born September 1, 1988) is a Danish professional Counter-Strike: Global Offensive coach and a former professional Counter-Strike: Global Offensive and Counter-Strike: Source player who currently coaches OG.
In September 2020, ruggah received a 3.75-month ban from all ESIC member events starting September 28, 2020 for exploiting a coach spectating bug during his time at Team Dignitas.  Additionally, ruggah received a one Major ban in January 2021 from Valve due to exploiting the coaching bug. 
- "Esports Integrity Commission Findings from investigation into CS:GO Spectator Bug Exploitation". ESIC. 2020-09-28.
- ESIC (2021-01-27). "Today, Valve (@CSGO) ratified ESICs sanctions against coaches who exploited the Spectator Bug".
- "CS:GO Player Profiles - device - Team SoloMid". Valve Corporation. 2015-10-29.