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It might seem a bit odd that a 12-3 team is the first team on this list. The reason for its inclusion can be boiled down to one man—Tom Brady.
You see, the New England Patriots have a finite amount of time left with arguably the greatest quarterback in NFL history. At 34 years old, Brady isn't getting any younger.
Therefore, the Patriots need to add a couple of players on both sides of the ball to maximize the amount of time they have left with Brady.
Defensively, they need to add someone in the secondary. The whole unit is a mess.
The Patriots defense ranks last in the NFL in total yards per game (412), yards per play (6.2) and passing yards per game (254). The unit also ranks 29th in the NFL in third-down conversion (44 percent).
Offensively, the unit is one of the best, yet still doesn't have that deep threat. Whether the team re-signs Wes Welker, it should go after a deep-threat in the offseason.
Since Bill Belichick likes working with players with baggage, he should go after Cortland Finnegan (Tennessee Titans) and DeSean Jackson (Philadelphia Eagles) to shore up his offensive and defensive units, respectively.
Finnegan can add that toughness that the defense is lacking and Jackson can bring the speed that the offense needs. Plus, both players might be available on the cheap because of their little preseason hissy fits.