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The NFL scouting combine always produces some eye-popping numbers from players who look good in shorts and T-shirts, and many of those players will likely be overdrafted based on physical potential. Players like USC S Taylor Mays and Maryland OT Bruce Campbell are candidates to be part of that group this year.

However, for teams drafting in the mid-to-late first round, there are players to be had whose combine results don't really mean that much. These are teams looking for a missing piece or two in order to make a playoff push or Super Bowl run, and the players we're talking about are established starters from big-time programs who have an impressive body of work and plenty of film that shows scouts exactly what to expect from them.

Below are four players I feel will become solid NFL starters very quickly and are headed for productive pro careers. Many football people subscribe to the theory that a team should be built from the inside out, and it just so happens that all the players listed here are linemen who could make an immediate impact for the teams that draft them.

To see which players are among the safest first-round picks, and for a look at the progress Tim Tebow is making on his mechanics, become an ESPN Insider.