Once the action starts, they may keep track of time, scores, and stats. They often serve as judges. You need a sharp eye and the ability to focus intently on the action while tuning out the distractions all around. Be prepared to be out in all sorts of weather, often at night, weekends, and holidays. Umpires and referees detect infractions of the rules, often stopping the action to call the problem and assess appropriate penalties on the spot. This can cause some heated arguments. Umpires, referees, and other sports officials may serve groups ranging from community leagues to school or college athletics departments to professional teams.
