"Dennis Moon was sent off in the 106th minute."
-- match report Bulgaria v New Zealand, Daily Prophet, 20 May 2014 (Pm)
During their initial match at the Quidditch World Cup 2014 tournament, Moon collided with Bulgarian Chaser Bogomil Levski, with whom he had a long-standing feud. Referee Georgios Xenakis deemed the collision deliberate, and sent Moon off for blatching. This was deemed a crucial factor in New Zealand's subsequent loss (Pm).
Other canon notes and references
Dennis (also Denys or Denis) are a form of the Greek name Dionysius, derived from Διος (Dios) "of Zeus" and Nysa (the region where Dionysos was raised). In Greek mythology Dionysos was the god of wine, revelry, fertility and dance (Behind the Name).
Moon as a surname has several possible sources, including from the village of Moyon in Normandy, France, the French word moun "a monk", the Old Gaelic word word moch "early" (Internet Surname Database) or the Korean surname mun (문, 文) "literature, culture, writing" (Behind the Name).
From the Web
Screenshots of the Daily Prophet's coverage of the 2014 Quidditch World Cup: http://imgur.com/a/AXutv