John Henson Per His PER Posted Jan 22, 2013 John Henson is averaging six points and four rebounds per game for the Milwaukee Bucks. But that’s only one side of the story. Henson’s PER is just under 18. PER is a detailed measure of a player’s statistical impact on the game in each minute played. John’s rating is in the top 15% in the NBA, and—while he’s on the court—Henson has been ridiculously productive for the Bucs. (Chapelboro.com)