Teams play basketball.
Basketball . A team can score a field goal by shooting the ball through the basket being defended by the opposition team during regular play . The team with the most points at the end of the game wins , but additional time ( overtime ) is mandated when the score is tied at the end of regulation . The National Basketball Association Conference Finals are the Eastern and Western championship series of the National Basketball Association ( NBA ) , a major professional basketball league in North America . National Basketball Association . It has 30 teams ( 29 in the United States and 1 in Canada ) , and is an active member of USA Basketball ( USAB ) , which is recognized by FIBA ( also known as the International Basketball Federation ) as the national governing body for basketball in the United States .