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The New England Patriots have a good problem on their hands.

Devin McCourty has now proven he can play both cornerback and safety in the NFL.

That's a big leap from last year, when the question was whether he could play either spot.

Where is McCourty at his best? Where is he most valuable to the Patriots? What is the most likely landing spot?

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Coaches change, schemes change, and players are expected to join along in that change. The Miami Dolphins switched to a 4-3 front after building their defense in the vision of a 3-4 alignment. 

Defensive end Jared Odrick was drafted in the first round in 2010 to fill a need for a five-technique defensive end in the 3-4 alignment, but now that they're running a 4-3, he's a fish out of water.

There are a few options here. At 6'5" and 301 pounds, Odrick could move inside to defensive tackle. His skill set could be a fit there, as well; he's a solid run-stopper and flashes some pass-rush potential from time to time.

There's also this: Armando Salguero of The Miami Herald thinks the Dolphins would be better off moving on from Odrick.

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With changes at left tackle, center and right guard last year, it's time for the New England Patriots to focus on continuity on the offensive line, and that starts with bringing back right tackle Sebastian Vollmer

Why shouldn't they? This group paved the way for a running game that averaged 136.5 yards per game and 4.2 yards per carry. Quarterback Tom Brady was pressured the second-least of any quarterback to play at least 50 percent of snaps (via ProFootballFocus.com).

All the while, Vollmer had one of the best seasons for an offensive tackle last year. ProFootballFocus.com rated him as the 14th-best tackle in 2012, and ranks him fifth on their list of the top free-agent tackles.

He rated out 22nd in pass-blocking efficiency among both left and right tackles, and he helped the Patriots rank sixth in the NFL in adjusted line yards on runs off right tackle (via FootballOutsiders.com).

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The Miami Dolphins are trying to build a winner. They can't afford to let good players walk away.

Or can they?

In the case of left tackle Jake Long, that may not be true.

The two sides have been in a standoff over his value for months, and it would cost roughly $15.36 million (according to ESPN) to put the franchise tag on him.

That would put a huge dampener on their ability to make other moves this offseason. The Dolphins have invested heavily in their offensive line, to the point where they should be able to afford moving on from the declining Long and his rap sheet of injuries.

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There are 78 days until the 2013 NFL Draft, so with a list of nearly 800 prospects, the Buffalo Bills (like every NFL team) have their work cut out for them to rate those players and whittle down the list to the best fits for their franchise.

There's a lot that needs to be done before that happens, though, and the Bills are in the early stages of that process now.

"Everybody gives their report and we all have a round that we put on the guy," said Bills director of college scouting Chuck Cook (via BuffaloBills.com). "We talk and we shake it out. (Assistant GM) Doug (Whaley) is pretty much the overseer, and he'll ask, 'Why do you see him here? Is he better than the guy ahead of him here?' It's really a collaborative effort."

There are several steps in the process of whittling that list down from the approximate 780 prospects it currently harbors. One of those steps is to compile background character assessments for every player. The Bills have done most of those background assessments and are now working on draft-eligible juniors.

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Trading the best player on the roster is a tough discussion to have.

When the team faces as many problems as the New York Jets do, that discussion needs to happen.

As a whole, the Jets problems are twofold: talent and salary cap. They can take significant strides toward fixing both by trading cornerback Darrelle Revis.

Revis is set to become a free agent following the 2013 season. There's also a clause in his contract that prevents the Jets from putting the franchise tag on him in 2014. 

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Titus Young: Physical talent meets problem child. 

New England Patriots: Always willing to take a chance on a problem child if the physical talent can help the team.

Same story, different characters.

Young has been waived (as announced by the Detroit Lions) as a result of his childish antics, including tweets demanding a larger role in the offense, tweets demanding a release from his team and altercations with the coaching staff.

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There is little doubt that the Patriots secondary played much better in the second half of the season, with the arrival of cornerback Aqib Talib serving as the catalyst for that improvement.

The Patriots, however, are having their doubts about Talib's long-term future with the team.

According to Mike Giardi of CSNNE.com, "there is a concern in Foxboro about Talib's work ethic. At times [he] passed on extra work" and there are "still questions about how he'd react once/if he got a long-term deal."

This is not new; there were reports of concerns with his work ethic from the very day the Patriots traded for him. It appears that he didn't do as much as the team liked in eliminating those concerns. If Talib is okay with coming back on a one-year deal, Giardi thinks that's something the Patriots would be comfortable with, as well. 

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Packers wide receiver Greg Jennings has already generated a good deal of buzz with regards to a possible reunion with his former offensive coordinator Joe Philbin. With the Miami Dolphins, the hope is that Jennings could provide the explosive element the Dolphins lack at wide receiver.

Jennings certainly seems to be okay with the idea of a reunion with Philbin; Jennings spoke to MiamiDolphins.com about his relationship with head coach Joe Philbin, and had nothing but nice things to say about his former offensive coordinator.

"Joe, how you doing? Remember me?" he would later say with a smile.

If Philbin remembers Jennings from their time together in Green Bay, he would be foolish not to want to bring him in. That being said, Philbin would be foolish to ignore what happened in their year apart.

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The familiarity factor between Syracuse quarterback Ryan Nassib and his former head coach/new Bills head coach Doug Marrone cannot be ignored, and could move Nassib a little bit higher on the Bills' board. 

There are bound to be some dissenting opinions in that regard.

As of right now, Nassib's stock has him somewhere between the best quarterback in the draft and a second-round pick—to offer just a glimpse into the polarizing opinions on NassibAt the very least, his stock seems to be on the rise. He was the Senior Bowl's top performer at quarterback, according to Bleacher Report's Matt Miller:

Not only did he improve in each of his three years as a starter, but he posted career highs across the board: completions, attempts, completion percentage, passing yards, yards per attempt, touchdowns, interceptions and passer rating.