Marion trade keeps Mavs' window open

Updated: July 16, 2009, 5:41 PM ET
By John Hollinger |
Shawn MarionGary Dineen/NBAE/Getty ImagesAfter acquiring Shawn Marion in a four-way deal, Dallas could be L.A.'s biggest competition out West.

It's all about prying the window open as long as you can. And with this week's moves to re-up Jason Kidd, sign Marcin Gortat to an offer sheet and acquire Shawn Marion in a four-team deal, the Mavs are doing all they can to keep it from slamming shut while Dirk Nowitzki is still an elite player.