PHILADELPHIA − There's no secret about how a Super Bowl team like the Eagles is supposed to regenerate itself.

Sure, the Eagles need great players, and they have a plethora of those on offense, and potentially on defense.

But one factor that is overlooked is the necessity for youth throughout the roster. That is essential as the star players get more expensive, and some other really good players leave in free agency because they're no longer affordable. Buy Philadelphia Eagles tickets

So it's worth paying attention to the play of two rookies in linebacker Jihaad Campbell and safety Drew Mukuba, the Eagles' first- and second-round picks, respectively, in the NFL draft last spring. Looking for a free mini puzzle? Play the USA TODAY Quick Cross now.

Campbell and Mukuba started in the E

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