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2021structural

Play-In Tournament Made Permanent

The Rule Change

After a successful trial in the bubble, the NBA made the play-in tournament a permanent fixture. The 7th through 10th seeds in each conference compete in a mini-tournament for the final two playoff spots, with the 7th and 8th seeds getting two chances to advance.

Statistical Impact

Dramatically reduced late-season tanking by keeping more teams in playoff contention deep into the regular season. The play-in also created compelling television events and new revenue opportunities. Critics argued it devalued the regular season for higher-seeded teams, but fan and media engagement increased.

3-Year Average: Before vs. After

StatBeforeAfterChange
PPG109.8112.5+2.7
Pace99.298.8-0.4
3PA31.734.7+3.0
FTA22.622.4-0.2
FG%46.046.7+0.7
2021scoring

Non-Basketball Move Foul Rule

The Rule Change

The NBA changed rules around 'non-basketball moves' — specifically targeting players who jumped sideways or backwards into defenders to draw fouls. These plays would no longer be rewarded with free throws.

Statistical Impact

Directly targeted the Harden-style of foul-drawing. Free throw attempts per game dropped and offensive players were forced to attack more naturally. Three-point attempts continued to rise as the alternative to free-throw hunting.

3-Year Average: Before vs. After

StatBeforeAfterChange
PPG109.8112.5+2.7
Pace99.298.8-0.4
3PA31.734.7+3.0
FTA22.622.4-0.2
FG%46.046.7+0.7

Statistical Context (20132025)