Memphis Grizzlies guard Desmond Bane was fined $15,000 for kicking the game ball into the spectator stands, the NBA announced on Thursday.
The incident occurred in the final minute of the Grizzlies' 109-106 loss to the Boston Celtics on Monday night at FedExForum.
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In the play, Bane went for the steal from Celtics' Jayson Tatum's pass but tipped the ball out of bounds, before the 24-year-old soft punted the ball into the first row of the stands.
The Grizzlies (8-4) went on to win Wednesday night's contest against the Spurs 124-122, while the Celtics (8-3) defeated the Pistons 128-112.