For substitutions Wholesale Jerseys China , the second referee whistles, makes the substitution signal, then communicates to the scorekeeper the substitutes. Once the scorekeeper is ready, the second referee signals to the first referee to begin play. The second referee is also responsible for signaling the end of the time period between games.
Along with timeouts and substitutions, the second referee needs to blow the whistle for net violations, centerline violations, the ball hitting the antenna, the ball hitting any object outside the antenna Wholesale Jerseys , and the ball crossing the net outside the antenna.
The second referee should also blow the whistle and stop play if a player runs into a nonplayable adjacent court, a player steps into a nonplayable area and plays a ball while not being in contact with the playing surface, or an object such as a ball from another court interferes with play. The second referee should communicate effectively with the scorekeeper.
The second referee should be assertive while at the same time approachable.
The second referee should transition from one side of the court to the other side when the ball is in play. The second referee should try to stay on the defensive teams side of the court watching both sides of the court with emphasis on watching the play at the net for net violations and centerline violations.
Teamwork
The second referee should have good eye contact with the first referee helping them out the best they can. Before the start of the match, the first and second referee should have a discussion on exactly how they are going to help out one another.
It is the first referees responsibility to whistle a ball handling violation such as prolonged contact or double contacts, the ball hitting the court, 4 team contacts, illegal back row attacks, and illegal back row blocks.
Judgement
If the first referee desires Cheap NBA Jerseys , its the second referees responsibility to discreetly signal (not whistle) ball handling or illegal contacts. Discreetly signaling the first referee can be important when the first referee is screened out of the play.
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