Derek Anderson, it's your turn. For how long remains to be determined. The Arizona Cardinals' quarterback situation is up in the air after coach Ken Whisenhunt decided to shake up a struggling offense and start Anderson at quarterback over Matt Leinart in the third preseason game, against the Chicago Bears on Saturday night. "I realize we're not game planning," Whisenhunt said. "We're not doing a lot so you're going to have some of those situations more so than we'd like to have, but still that would be something we'd look to improve on this week." It's not clear if the move announced Thursday is permanent. Leinart defended himself in an interview with The Arizona Republic on Friday. Read more: http://sports.espn.go.com/nfl/trainingcamp10/news/story?id=5504910
