Saturday, December 31, 2011

Thoughts on a Difference Between College Basketball and the NBA

The reason that the NBA plays a more isolation/matchup type of game is that at that level there are much fewer inefficiencies in defenses that can be exploited by running certain plays. NBA players aren't going to consistently be beaten by motion offenses with lots of screens off the ball because those offenses are designed to take advantage of poor individual and team defensive fundamentals (i.e. not knowing how to deal with screens or how to position oneself on defense). In the NBA these things aren't issues for defenders. The NBA is an efficient market with respect to defensive fundamentals. You can't consistently gain abnormal returns (i.e. score more points than your opponents) by relying on offenses that are built around taking advantage of inefficiencies in defensive fundamentals.

The reason then that the NBA features more isolations and finding mismatches is because those are the areas in which there are inefficiencies. Those are the areas in which the offense consistently has advantages. Players like Kobe and Lebron can often score regardless of perfect defensive fundamentals and positioning.

This is not to say that every play should just be a complete clearout for a respective team's best player, but rather that the NBA game might have a 60/40 isolation-to-motion ratio whereas college has a 40/60.

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