Finger roll refers to waving the ball with your fingers when the ball reaches your fingers, so that the rotation of the ball changes.
George gervin (1April 27th, 952-), who is 2.03m tall, won the title of "scoring champion" four times in his NBA career. Only Michael Jordan and Chamberlain won the scoring championship more times than him. George gervin once scored 33 points in a game, setting an NBA record, being selected for the NBA All-Star Team for 9 times, and winning the MVP award for 1 time. Gwen is the first defender in NBA history to become the NBA scoring champion three times, and was elected to the American Basketball Hall of Fame with 1996.