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Wilt Chamberlain's dominance in pro basketball forced the NBA to make several rule changes. To slow Wilt's incredible individual power, the league widened the lane and instituted offensive goaltending. The NBA also revised its rules on free throw shooting to prevent players from landing over the free throw line. Prior to this change, Wilt would jump from behind the line and drop the ball in the hoop with ease.

Photo: John G. Zimmerman/SI

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