Duce Staley should help resurrect Pittsburgh's running game, but there are still some big concerns on defense.
QB Jeff Garcia and TE Kellen Winslow II were brought in to help improve the Browns anemic offense.
The addition of two QBs and a high-profile RB prospect were among the Rams curious offseason moves.
The Raiders have made a number of offseason moves, including hiring their third coach in four seasons.
The Raiders made it to the brink of the championship last season. Can they hoist the Lombardi Trophy this year?
49ers cornerback Mike Rumph has been picked on by the opposition early and often in recent weeks.