piece on X 1-3-1 zone
http://fivethirtyeight.com/features/fiv ... ournament/For the season, 33.6 percent of the Musketeers’ defensive possessions have featured the 1-3-1. Last season, just 13 percent did. The only Division I team to rely on any zone more often this season has been Cincinnati (which uses the 2-3 variety); Xavier has used the 1-3-1 for 759 possessions, allowing just 0.797 points per defensive trip.