Jump ball

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A jump ball is a method used to begin or resume play in basketball. It is similar to a face-off in ice hockey and field lacrosse and a ball-up in Australian rules football. Two opposing players attempt to gain control of the ball after an official tosses it into the air between them.

Originally, jump balls were used to restart play at the beginning of every quarter and after each basket scored. The NBA and NCAA dropped jump balls after baskets in the mid-20th century. The NBA stopped using jump balls for 2nd-4th quarter possession in 1975, and the NCAA implemented alternating possession rules in 1981 that award possession sequentially for all jump ball situations after the opening tip at the beginning of the game. The WNBA and Euroleague Basketball have adopted the NBA's jump ball rules, while other leagues have implemented alternating possession. 3x3 basketball does not use jump balls at all.

The rules for jump balls are relatively relaxed, with penalties rarely called on players touching the ball before it has reached the peak of its throw. Jump ball throw styles vary, and may feature misdirection to catch players off guard.