Is it pine time for Sanchez, Collins, Campbell?

Has Mark Sanchez lost his magic, or is this just a rookie's rough spot? Week 6 was particularly woeful for several starting quarterbacks.   Jason Campbell was benched. Mark Sanchez was nearly benched. And with the Tennessee Titans were on the short end of a 59-0 drubbing, Kerry Collins might be holding a clipboard when his team return from this week's bye.   Here is a look at what has gone wrong with these slumping quarterbacks along with some advice as their coaches consider a QB change:   Mark Sanchez, New York Jets His struggles: Protecting the ball has become a major issue. He and Carolina's Jake Delhomme lead the NFL with 10 interceptions, and Sanchez has also fumbled six times, losing two of them. After a fast start, Sanchez is making the kind of mistakes that often plague rookie quarterbacks.   "We have to realize that this isn't a guy that's played 20 years in the league," Jets coach Rex Ryan said.   Sanchez threw ...