Staff Writer David Weinberg previews the Philadelphia Eagles' areas of need leading up to the NFL draft, which starts Thursday.

Who's there now: Defensive tackle/nose tackle: Isaac Sopoaga (starter), Antonio Dixon, Ronnie Cameron; defensive end: Fletcher Cox (starter), Trent Cole (starter), Cedric Thornton, Vinny Curry, Everette Brown, Clifton Geathers.

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Why it's a problem: If the Eagles switch to a 3-4 base defense as expected, Cole and Curry could join former defensive end Brandon Graham as outside linebackers, along with offseason pickups Connor Barwin, Mychal Kendricks and some others. That leaves a lack of depth up front.

The best:

1. Sharrif Floyd, Florida: 6-foot-3, 297-pound Philadelphia native would be a perfect choice for the Eagles at No. 4, but he could be drafted higher. 2. Star Lotulelei, Utah: 6-2, 311-pounder would join Sopoaga at nose tackle. He had some heart-related issues that caused some concern but has been medically cleared. 3. Sheldon Richardson, Missouri: 6-2, 294-pounder could be the most physically gifted defensive lineman in the draft. The Eagles could move down in the first round and get him.

Tomorrow: Quarterback

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