Top QB prospects face big questions 
We have talked at length about Florida QB Tim Tebow and whether he can ever be an effective NFL quarterback, but there are just as many questions about the rest of the top quarterback prospects, and NFL teams are no doubt approaching this year's class with caution.
Four of the top five prospects played in spread offenses in college, and while they put up big stats and were very efficient within those offenses, the fact remains that spread quarterbacks have no real training or development in pro-style passing philosophies. Evaluating them is based much more on projections than hard evidence on film. No one truly knows whether any of this year's prospects will make a successful transition to the NFL.
Here's a look at the biggest questions facing each player and where we currently expect them to come off the board:
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Todd McShay (left) is the director of college scouting for Scouts Inc. McShay, who played quarterback at Richmond, has been evaluating NFL prospects since 1998. Follow Todd on Twitter: @McShay13
Steve Muench (middle) played guard at Richmond and worked in the athletic department there and at Boston College before joining Scouts Inc. in 2002. Follow Steve on Twitter: @SteveMuenchESPN
Kevin Weidl (right) is a former quarterback for Indiana (Pa.) University who worked in the pro scouting department for the New York Jets before joining Scouts Inc. in 2007. Follow Kevin on Twitter: @Kevin_Weidl
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