The Mavs are trying to follow Eduardo Najera's example.

It took a video game-like 115 layups or dunks against the Kings last May, but the Mavs finally got the message. Don Nelson is preaching the importance of an improved defense this year because, for all of its adeptness on offense, Dallas can't afford to be inept on D again and expect to contend for a title, writes ESPN.com's Marc Stein.
Stein: Nash trains for season-long marathon