ESPN NFL

Tony Dungy may have improved the defense significantly last year, but there's only so much he can do with a roster so heavily skewed toward the offense. Seventy percent of this year's cap is tied up on offensive players, with most of that going toward the big three of Peyton Manning, Marvin Harrison and Edgerrin James.

The Colts are trying to compensate on defense with quantity over quality. The defensive line will feature an eight- or nine-man rotation so that their players will go full throttle on every play and still be fresh at the end of games. Low-round draft picks are spent on cornerbacks who would struggle on other teams but can excel in the Colts' zone-heavy scheme. They are also counting on immediate contributions from their top four draft picks, showing just how thin this roster really is.

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