Is Polk slipping away from USC

Every year there is a bombshell or two to report and if true then four-star all-purpose USC commit Chris Polk (5-11, 190, 4.5) from Redlands (Calif.) East Valley could be the biggest explosion on the west coast thus far.
The word is Polk, a December graduate, has changed his pledge from USC to Washington.
When asked if it was true REV head coach Kurt Bruich had the following to say.

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"I haven't heard from Chris, but I believe it to be true."
If indeed, true that Polk is on his way to Seattle, the Huskies land one of the most exciting players on the west coast.
The versatile Polk is a threat to score whenever he touches the ball. He rushed for 2,561 yards and 29 touchdowns. He hauled in 18 receptions for another 314 yards and five scores through the air and he 216 kickoff return yards on six tries and one more touchdown.
Rivals.com is working to get further confirmation on this story. Be sure to check back. The word is Polk is calling other schools and coaches to let them know about the decision.
Polk is a member of the Rivals.com Rivals250 for the class of 2008. Rivals.com rates Polk as the nation's No. 4 all-purpose back. He is also a member of the Rivals.com California Top 100 team landing as the Golden State's No. 29 prospect at any position.