GLENDALE AZ - SEPTEMBER 02: Quarterback Matt Leinart #7 of the Arizona Cardinals watches from the sidelines during preseason NFL game against the Washington Redskins at the University of Phoenix Stadium on September 2 2010 in Glendale Arizona. The Cardinals defeated the Redskins 20-10. (Photo by Christian Petersen/Getty Images)
Also according to Mike Florio of ProFootballTalk.com is this nugget:
On Saturday, Leinart’s career hit the unscripted portion when he was cut by the Arizona Cardinals when no team was interested in trading for him. Worse, few teams are interested in him. The Seattle Seahawks and coach Pete Carroll, Leinart’s coach at USC, have a need and could be interested. Likewise, the Minnesota Vikings and Jacksonville Jaguars are kicking the tires on Leinart.
I personally don't think they have any interest.