Usage (USG%)- 100 * ((Field Goal Attempts + 0.44 * Free Throw Attempts + Turnovers) * (Team Minutes Played/5)) / (Minutes Played * (Team Field Goal Attempts + 0.44 * Team Free Throw Attempts + Team Turnovers))
A player's usage is derived by calculating the percent of plays used by a specific player when he is on the floor. Usage, like other advanced NBA stats, is actually quite intuitive for anybody who watches a moderate amount of NBA basketball. The league average usage is 18.8%.
The Top 8 in Usage from the 2010-2011 regular season were:
1. Kobe Bryant - 35.1%
2. Derrick Rose - 32.2%
3. Carmelo Anthony - 32.0%
4t. Dwayne Wade - 31.6%
4t. Russell Westbrook - 31.5%
6. LeBron James - 31.5%
7. Amare Stoudemire - 30.9%
8. Kevin Durant - 30.6%
All of these players share a few key traits:
1. They are all viable #1 options for an offense
2. They are all adept at creating their own shot
3. They are all at or near the top of the league in Points Per Game
In our last daily dictionary, Matt W. explained the concept of efficiency by defining and applying True Shooting Percentage (TS%). Here I will show you how to use TS% and USG% together to analyze a player's production. The key takeaway is that when all variables are held constant, a player who sees his USG% rise will generally see his TS% fall. This is because a player who is tasked with being the team's primary source of offense will often see a greater number of lower quality looks, as coaches and teammates alike recognize that a bad shot from their best player may often be the best look they can get on any given offensive possession.
Combining usage and true shooting as elements in your analysis can help provide a more nuanced understanding of offensive contribution. Often a player will be overrated for his bulk scoring; a deeper look into the interplay between usage and efficiency will show that said player gets his points by virtue of dominating the ball.
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