• • Matthew Stafford

Georgia, 6-2, 225

Strong arm, a little shorter than the pros like, but still NFL-ready and the likely No. 1 draft pick.

• Mark Sanchez

Southern California, 6-2, 228

Had just one season as starter at USC, but an exceptional one at that. Plus, that's one more season starting than Matt Cassel had.

• Josh Freeman

Kansas State, 6-5 1/2, 250

Strong-armed but not as accurate as Stafford. Fiercely competitive.

• Pat White

West Virginia, 6-0, 198

Steelers think highly of him as a QB, but some, like Mel Kiper, believe he's best suited as a Slash or receiver.

• Stephen McGee

Texas A&M, 6-3, 222

Shoulder injury limited him to just three starts, so there's not a lot to go on. He did well at East-West.

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• Beanie Wells

Ohio State, 6-1, 237

Powerful runner who loves to run inside, yet has decent speed for a big man and can outrun defenders when he breaks open.

• Knowshon Moreno

Georgia, 5-11, 215

Smaller and slower than Wells, yet his production in top conference is hard to overlook.

• Donald Brown

Connecticut, 5-10, 210

Pitt won't long forget what he did (34 carries, 189 yards). He's a real workhorse.

• LeSean 'Shady' McCoy

Pitt, 5-10, 205

Not the sure first-round pick many thought he would be when he decided to enter NFL after just two college seasons.

• Shonn Greene

Iowa, 5-10 1/2, 228

Nice size, he runs low to the ground, an asset for inside runners. He's no threat on the outside, though.

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• Tony Fiammetta

Syracuse, 6-0, 243

Good, true fullback who can throw a block or catch a pass. Still, he won't be drafted probably until fourth round.

• Quinn Johnson

LSU, 6-1, 250

Pure blocking fullback who can catch an occasional pass. Not much of a runner.

• Conredge Collins

Pitt, 5-11, 225

Three-year starter, he is more versatile because he can run, catch, block.

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• Michael Crabtree

Texas Tech, 6-1 1/2, 215

Holding on to top spot even though he had foot surgery in March for stress fracture.

• Jeremy Maclin

Missouri, 6-0, 197

Good but not blazing speed, he's faster than Crabtree and less of a gamble. Still has plenty to learn.

• Darrius Heyward-Bey

Maryland, 6-1 1/2, 211

Has blazing speed and size to go with it, but unpolished and needs work on other than straight-ahead routes.

• Percy Harvin

Florida, 5-11, 191

Outstanding productivity. He lacks ideal size, and his positive marijuana test might scare off some.

• Hakeem Nicks

North Carolina, 6-1, 214

Best all-around receiver of the bunch, but his speed is so-so at 4.55 and thus he'll never be a No. 1.

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• Brandon Pettigrew

Oklahoma State,

6-5 1/2, 263

Caught 112 passes and blocks like mule. Rare combination at his position.

• Jared Cook

South Carolina,

6-4 1/2, 245

Outstanding receiver who often split wide. Not much of a blocker.

• Chase Coffman

Missouri, 6-5 1/2, 245

Mackey Award winner. Some worried about recent toe surgery; they should remember the lesson of Heath Miller.

• James Casey

Rice, 6-3, 245

Intriguing prospect, who played more as a wideout in college. Brilliant student, leaving with two years eligibility left.

• Shawn Nelson

Mississippi, 6-5, 240

A receiver who should not be lined up tight but wide in the pros.

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• Jason Smith

Baylor, 6-5, 310

Athletic former tight end, a fifth-year senior headed for left tackle in the NFL. Needs to refine his pass protection.

• Eugene Monroe

Virginia, 6-5, 310

Left tackle with agility and quick feet, something he may have developed in a family with 16 children, 11 of them boys.

• Michael Oher

Mississippi, 6-4 1/2, 310

Another left tackle, he has good pass-protection skills, but needs to develop on run. Returned at last minute for senior season after opting for '08 draft.

• Andre Smith

Alabama, 6-4, 330

Odd behavior when he left the combine was initially an issue, but he has overcome that with good workouts.

• Eben Britton

Arizona, 6-6, 310

Has played both sides. Outstanding size and arm length helped him overcome his lack of great quickness afoot.

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• Duke Robinson

Oklahoma, 6-5, 330

Grand nephew of Smokey Robinson. Remember when guards were smaller than tackles?

• Kraig Urbik

Wisconsin, 6-5, 330

Can play guard or tackle and pull to the outside for a big man.

• Andy Levitre

Oregon State, 6-2 1/2, 308

Does not have the size or strength as some of the other guards, but knows how to use what he has. Visited Steelers.

• Herman Johnson

LSU 6-7, 365

Rare size for a guard, he once topped 400 pounds. Holds record as biggest baby born in Louisiana, two ounces shy of 16 pounds.

• Louis Vasquez

Texas Tech, 6-5, 330

Not to be confused with Luis Vasquez, a D-lineman at Arizona State. Steelers had him in for a visit.

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• Alex Mack

California, 6-4, 307

Best of a deep group. Could be a late-first round pick, perhaps even at No. 32.

• Eric Wood

Louisville, 6-3 1/2, 310

Not far behind Mack, he's extremely smart and another Steelers-like center.

• Max Unger

Oregon, 6-4 1/2, 310

Versatility adds to his attractiveness because he can play every line position. Visited Steelers.

• Antoine Caldwell

Alabama, 6-3, 310

Good size, but not as quick as the Steelers prefer their centers. Four-year starter, two as captain.

• A.Q. Shipley

Penn State, 6-1, 303

Moon native, would be a bargain for the Steelers in the fourth or fifth round. Pure center.

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• Brian Orakpo

Texas, 6-3, 263

An end in a 4-3, but outside linebacker in a 3-4. More likely to be drafted as an end.

• Aaron Maybin

Penn State, 6-3 1/2, 250

Rising and could be first-round pick, not bad for someone who opened last season on second team. Also OLB in 3-4.

• Everette Brown

Florida State, 6-1 1/2, 255

Another rusher who can play OLB, but his lack of coverage experience likely to make him a 4-3 end.

• Tyson Jackson

LSU, 6-4, 298

Unlike the others, more a classic 3-4 end; 4-3 teams might use him inside at tackle.

• Robert Ayers

Tennessee, 6-3, 272

A bit of a gamble because he had just one good college season. He's a pure 4-3 defensive end.

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• B.J. Raji

Boston College, 6-1 1/2, 336

Top-15 pick who says he was wrongfully accused by Internet reports of testing positive at combine. Could play DT in 4-3 or NT in 3-4.

• Peria Jerry

Mississipi, 6-1 1/2, 300

Good, solid, unspectacular player. A little light for the inside positions.

• Evander Hood

Missouri, 6-2 1/2, 300

Good pass-rusher from the inside, but not a dominant player and won't take over a game.

• Ron Brace

Boston College, 6-3, 330

Powerful run-stopper who teamed with Raji to form a tough defensive front for BC.

• Fili Moala

Southern California, 6-4, 305

Steelers like him as a defensive end in their 3-4. If they wait until second round, though, he'll be gone.

• Aaron Curry

Wake Forest, 6-2, 254

Butkus Award winner. Despite his size, he fits better in a 4-3 than he would in a 3-4.

• Brian Cushing

Southern California, 6-3, 245

Versatile strong-side linebacker who can rush, drop, stop the run.

• Clay Mathews

Southern California, 6-3, 240

Dad Clay played for the Browns and uncle Bruce played for the Oilers/Titans and is in the Hall of Fame.

• Larry English

Northern Illinois, 6-2, 254

Defensive end who looks like a 3-4 outside linebacker. Twice MAC defensive player of the year.

• Connor Barwin

Cincinnati, 6-3 1/2, 256

Many list him as a DE, but he'd make a nice strong-side 3-4 linebacker.

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• Ray Maualuga

Southern California, 6-1 1/2, 250

Three-year starter on one of the nation's best defensive teams. Good tackler who can rush the passer from inside.

• James Laurinaitis

Ohio State, 6-2, 243

Butkus Award winner in 2006. Three-year All-America. Blue- chipper.

• Jasper Brinkley

South Carolina, 6-1 1/2, 250

ACL injury in 2007 hurt him in 2008, but he's climbing on draft boards.

• Darry Beckwith

LSU, 6-0 1/2, 235

Frequent knee injuries are bothersome, but turned in good workout at LSU in March.

• Scott McKillop

Pitt, 6-1, 245

All he does is tackle, tackle, tackle-- he has an innate ability to get to the runner and bring him down. Big East defensive player of the year.

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• Malcolm Jenkins

Ohio State, 6-0, 204

Some believe he's best defensive back from Big Ten since Charles Woodson. Could play safety but more valuable at corner.

• Vontae Davis

Illinois, 5-11, 203

Like his brother Vernon, he should be a first-round pick. Can cover and support the run.

• Darius Butler

Connecticut, 5-10 1/2, 184

He needs to match his speed and ability with better production.

• Alphonso Smith

Wake Forest, 5-9, 192

One of many corners to visit Steelers. Makes plays all over the field and height is only drawback. Could be a bargain pick in second round.

• Jairus Byrd

Oregon, 5-10, 205

Father Gil played for Chargers. Had 17 career interceptions. Could sneak into first round.

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• Louis Delmas

Western Michigan, 5-11 1/2, 202

Free safety. Four-year starter. Concussions a concern. Big-hitter with good size and quickness.

• Patrick Chung

Oregon, 5-11, 212

Strong safety who can be used as a linebacker in some sub defenses.

• William Moore

Missouri, 6-0, 222

Despite his size, he can play free safety and might be better suited there.

• Rashad Johnson

Alabama, 5-11, 201

He played in the 180s at Alabama and has added weight but has thin build and needs to get bigger.

• Chip Vaughn

Wake Forest, 6-1 1/2, 220

Strong safety. Good vs. the run and has the size to play inside in the pros with nice speed to match.

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• David Buehler

Southern California, 6-1 1/2, 225

Made 26 of 33 field-goal attempts in his career and has strong leg for kickoffs.

• Graham Gano

Florida State, 6-0 1/2, 194

Lou Groza Award winner made 24 of 26 field goals last season.

• Louie Sakoda

Utah, 5-8 1/2, 175

Small in stature, he nevertheless has a strong leg and proved it by also punting for an average of 42.1 yards.

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• Kevin Huber

Cincinnati, 6-1, 220

Strapping lefty punter who not only can boom them, but has a knack for putting the football inside the 20.

• Thomas Morstead

Southern Methodist, 6-4, 225

Another big man who can place the ball inside the opponent 20.