... that preceded the 2010 NFL Draft, now it is that time for more speculation and hypotheticals about all the various rookies. Depending on which prospect went where, some of these players may have an instant impact on their team as soon as their rookie season. The following are several rookies who I think will make the biggest impact on defense at the NFL level. Side note: Not all players could be listed in this opinion piece, otherwise it would be a slideshow that never ends.

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