Rule change: Alterations to Hack-a-Shaq
Year of change: 2008 

Shaquille O'Neal was easily one of the best centers to ever play the game. But like every player, Shaq had a weakness and it was free-throws. A career 52.7 percent shooter from the stripe, O'Neal found himself the victim of an opposing team's Hack-a-Shaq strategy which caused a player to intentionally foul the center whether that person had the ball or not thereby forcing him to knock down free-throws. This approach wasn't new as the same thing was done to guys like Wilt Chamberlain, Ben Wallace and Dennis Rodman. But it was Shaq who eventually coerced the league to punish teams who utilized the approach within the last two minutes.

Now, an intentional foul on a player off-the-ball will amount to something similar to a technical foul, where the team with possession will shoot two free-throws and receive the ball back.