(Las Vegas, NV)  --  The Jazz downed the Trail Blazers, 86-71, behind a game-high 20 points from center Tibor Pleiss at the Thomas and Mack Center in Las Vegas.  Pierre Jackson led Portland with 18 points, and Noah Vonleh and Jake Layman added 10 points each.  The Blazers dropped to 1-and-3 in Summer League play.  They'll face Boston tomorrow afternoon at Cox Pavilion.