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ULEB
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Umpire: The second court official
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Unbalanced Floor - Created when a player clears an area of the court or a player is put in isolation.
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Under Control - Optimum speed at which a player can operate.
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Uno contra uno - Denominación de sistema informal de juego de básquet de 1 jugador por lado. Se juega en espacio reducido con un balón y un solo tablero-aro.
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Unrestricted Free Agent
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Unsportsman-like foul: Personal foul on a player with or without the ball which, in the opinion of the Official, was deliberately committed by the player against an opposing player
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Up and Down
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Upset
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