Boston College's Anthony Castonzo is not only one of the most athletic offensive tackles in college football, he has the brains to match. (Photo by Boston College Athletics)

Colorado's Nate Solder may have gained 60 pounds since entering college, but he remains very fast (he can run the 40 in under 5 seconds). That combination of size and speed make him an elite left tackle prospect. (Photo by Colorado Athletics)

Penn State's Stefan Wisniewski has roots in the NFL. His father, Leo, was drafted by the Colts, and his uncle, Steve, was an eight-time Pro Bowler with the Raiders. (Photo by Penn State Athletics)

A few short years ago Derek Sherrod was one of the most highly sought after high school seniors entering college. If he plays well this year with Mississippi State, he figures to once again be in demand -- but this time for the 2011 NFL Draft. (AP Photo/Rogelio V. Solis)

Georgia's Clint Boling has already appeared in 36 college games, and that should help him to have a dominant senior season with the Bulldogs. (Photo by Georgia Athletics)

One of the best attributes an offensive tackle can possess is long arms, and TCU's Marcus Cannon has that natural advantage. (Photo by TCU Athletics)

As the cousin of former Eagles wide receiver Todd Pinkston, Pittsburgh's Jason Pinkston should know what it takes to make it in the NFL. Todd lasted six seasons, after all. (Photo by Pittsburgh Athletics)

Wisconsin's Gabe Carimi may ultimately wind up playing right tackle at the NFL level, but his 6-foot-7 frame and long arms make him an outstanding pro prospect. (AP Photo/Morry Gash)

if Auburn's Lee Ziemba can add some strength to the impressive size and speed measurable he already possesses, he could become a top-notch offensive line prospect. (AP Photo/Todd J. Van Emst)

While Florida State's Rodney Hudson is somewhat limited by his small frame, he makes up for those shortcomings with exceptional athleticism. (Photo by Florida State Athletics)

The Gators have used Marcus Gilbert at both guard and tackle, and the Florida standout's versatility makes him an attractive prospect. (Photo by Florida Athletics)

When it comes to potential, Clemson's Chris Hairston has plenty of it, he just needs to work on getting stronger this upcoming college season. (Photo by Clemson Athletics)

Florida's Mike Pouncey would love nothing more than to follow in his twin brother Maurkice's footsteps, who went in the first round to the Steelers in the 2010 NFL Draft. (Photo by Florida Athletics)

Arkansas' DeMarcus Love will be manning the right tackle spot with the Razorbacks this upcoming season, but at the pro level, he may be more suited to play guard. (Photo by Arkansas Athletics)

Given the fact Baylor's Dan Watkins has only three years of experience playing football, and is already performing well, he could be a good developmental prospect to watch next season. (Photo by Baylor Athletics)

A tough guy and hard worker, Texas' Kyle Hix lacks the ability to play left tackle in the NFL, but has the moxie to merit consideration as a right tackle prospect. (AP Photo/Tony Gutierrez)