Umpire and referee are terms that are both related to sports.
'We need to go Aussie Rules style' - McConville calls for two referees in club games.
Football (Soccer) Rules Photo credit: Rick Dikeman (source) Football (Soccer) is one of the oldest sports in the world and with that; it’s also one of the most recognised.
Badminton Rules Photo credit: Agência Brasil (source) Badminton is a sport that has been around since the 16th century.
I am now an over the hill (or better put, in the center circle) referee.
Rugby Rules Photo credit: M+MD (source) Rugby is one of the most physical of sports.
Then you are in the right place because our AFLS game, a variation of Aussie Rules Football, has all this and actually more.
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They do this in Aussie rules and it works very well.
The Heavyweight Aussie Rules Medals feature an excellent finely detailed design depicting your sport/activity.