All posts tagged Defense

Updated Perimeter and Interior Defense Ratings

By Steve Shea (@SteveShea33) March 15, 2017 We recently introduced Perimeter Defense Ratings (PDR) and Interior Defense Ratings (IDR).  Please see this previous post for more information.  The purpose of this entry is to update the numbers.  The table below contains PDR and IDR for all 314 players that have played at least 600 minutes. […]

Individual Defensive Ratings; Draymond, Embiid and Giannis On Top

By Stephen Shea, (@SteveShea33) February 6, 2017 Historically, it has been far more difficult to quantify defensive performance than offensive production.  However, with recent improvements in data gathering, most notably the NBA’s adoption of SportVU’s spatial-tracking system, there is hope that analytics can begin to tackle this problem. In a previous post, we presented Perimeter […]

Team Perimeter Defense; Memphis and Golden State On Top

By Stephen Shea (@SteveShea33) February 2, 2017 We recently released a metric for individual perimeter defense (or at least our first attempt at one with modern data).  The purpose of this post is to examine how this metric, Perimeter Defense Rating (PDR), behaves at the team level. We ran the formula for each team as […]

Rating Perimeter Defenders; Tony Allen Still King

By Steve Shea (@SteveShea33) February 1, 2017 It has always been more difficult to quantify a player’s defense than his offense.  Box scores offer little beyond blocks and steals.  While many players play 60-70 defensive possessions a game, most only accumulate 1 or 2 steals or blocks.  What is happening in the other approximately 95% […]