Commentary

Bobcats getting it done with D

PER Diem: Jan. 13, 2010

Updated: January 13, 2010, 1:20 PM ET
By John Hollinger | ESPN.com
Jackson/WallaceStreeter Lecka/Getty ImagesThe addition of Stephen Jackson, left, has helped, but the reasons for Charlotte's success start on defense.

The phrase "defense wins championships" is both overused and difficult to prove empirically. But it seems to be true, at least when it comes to the 2009-10 season; the four teams generally considered to be the main threats to win the title (L.A., Boston, Orlando and Cleveland) all rank in the top five in defensive efficiency.