Trevor Ariza, who played a key role in the Lakers’ title run in 2008-09 before signing as a free agent with the Houston Rockets, was dealt Wednesday to the New Orleans Hornets. As some wiseacre pointed out, it means Ariza won’t have to be at Staples Center to see Ron Artest get his championship ring before the Lakers’ season-opener against Houston. It still boggles the mind that Ariza decided to jump from a championship ship for the same money and years that the Lakers then used to lure Artest from Houston last summer.