A referee is an official, in a variety of sports and competition, responsible for enforcing the rules of the sport, including sportsmanship decisions such as ejection. The official tasked with this jo
Dean Morton, a referee in the American Hockey League
A referee (right) issues a yellow card to a player during a game of association football.
An American football referee (right, in white cap) announces a call. The other officials wear black caps.
Gaelic football ref in blue
The penalty box or sin bin is the area in ice hockey, rugby union, rugby league, roller derby and some other sports where a player sits to serve the time of a given penalty, for an offence not severe
A rugby union player being sent to the "sin bin"
The penalty boxes in this ice hockey arena are between the centre red line and one of the blue lines. In the photo, only the left-hand box is occupied.
A rugby league referee giving a "sin bin" ruling, signifying the ten minutes that the offender must spend off the field