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Patriots’ shopping list for free agency

Patriots coach Bill Belichick will be looking to fill many holes in his roster during free agency.

Charles Krupa/AP

Patriots coach Bill Belichick will be looking to fill many holes in his roster during free agency.

The Patriots went 14-2, 13-3, and 12-4 the last three seasons, with appearances in the Super Bowl and AFC Championship games in 2011 and ’12, respectively.

They have some very good pieces in place. On offense, the Patriots have quarterback Tom Brady, dynamic tight ends in Rob Gronkowski and Aaron Hernandez, an emerging 1-2 punch at running back in Stevan Ridley and Shane Vereen, a franchise left tackle (Nate Solder) and guard (Logan Mankins), and a center in Ryan Wendell who is coming off a terrific season.

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On defense, Vince Wilfork, Jerod Mayo, Chandler Jones, Dont’a Hightower, Rob Ninkovich, and Devin McCourty are core players, most of whom are expected to remain with the team for some time.

Many teams would love to have that group of bedrock players — it’s a very good group.

But as NFL free agency starts Tuesday at 4 p.m., the stark reality is that when you step back and look at the roster as a whole, the Patriots have a lot of holes to fill if they are to improve on last season, get back to the Super Bowl, and win the franchise’s first title since the 2004 season.

This is not a case of the Patriots being one or two players away from a Super Bowl title, so it would be an upset if the Patriots get in early at the luxury level like they did in 2007 with linebacker Adalius Thomas. The Patriots have significant voids on the depth chart to fill — 14 by my subjective count — so it likely will be more prudent for them to cast a wide free agent net.

Because of poor drafts in 2008 and ’09, specifically, and some misses with free agency/trades, New England is missing a class of players that should have added to its core and made the team formidable across the board.

The good news is that if there was any offseason to be looking for the right pieces for the Patriots, this might be it. While the Patriots prepared well for the flat salary cap era thanks to the sage advice of owner Robert Kraft, many other teams did not. There is more mid-level to good talent available this year in free agency than in recent years, especially in the secondary and at receiver — where the Patriots need the most help. Same goes for the draft, where receiver, safety, cornerback, offensive tackle, and defensive line are deep positions.

So the Patriots have $25 million in cap space and five draft picks for now (both can be added to) to fill out a championship roster. It will be challenging, but certainly is doable.

Two notes before we begin. While the Patriots can gain more cap space with a few moves (not picking up Brandon Lloyd’s option, releasing Daniel Fells, winning an injury grievance against Jonathan Fanene), the amount of cap space a team has is not what a team will spend in free agency.

If the Patriots are planning on extending the contract of any player before free agency next year (McCourty, Ninkovich, and Wendell would be the prime targets), that would come off this year’s cap. A draft class will take up at least $4 million of the cap. Money needs to be saved for emergency in-season moves, and you need some to pay off incentives that could be reached. The past two seasons (even with Brady’s restructure last year at this time that gained the team $7.2 million in cap space), the Patriots ended each year with an average of $6.15 million in cap surplus that was carried over from one year to the next. I expect the Patriots to cut that number in half this year, but it’s a good starting point for how much a team will hold back against the cap.

So, basically all totaled, lop $8-10 million off the $25 million and that’s what the Patriots have to spend right now pending further moves.

The second factor is that player evaluations are in the eye of the beholder. One player might be more talented than another, but the Patriots might prefer the latter. And it’s not just because of a cheaper price tag. Some teams go about only collecting talent in the offseason. The Patriots are in the business of building a championship team. There is a difference, and that’s an understated reason for their sustained success. The Patriots might not have the most talented players across the board, but collectively they are an elite unit.

Now, onto the Patriots’ needs:

No. 1 need: starting versatile “Z” receiver. This is Wes Welker’s spot, where the receiver does a little bit of everything from playing in the slot to being an extension of the running game through an array of short passes. It would be a shock to both Welker and the Patriots if he’s not under contract at some point — and the timing doesn’t really matter. How to fill: re-sign Welker.

No. 2: starting left cornerback. The Patriots basically don’t have any cornerbacks beyond Alfonzo Dennard, who is facing jail time. This is a position where the Patriots like to have a big cornerback who can play man-to-man. Aqib Talib is a free agent. How to fill: Patriots would prefer to re-sign Talib, in whom they invested a fourth-round pick and who received 400 snaps. Beyond that, Dominique Rodgers-Cromartie (Eagles), Keenan Lewis (Steelers), Nnamdi Asomugha (Eagles), Antoine Cason (Chargers), and Cary Williams (Ravens) are among those who fit the prototype. Prudent to get this player early in free agency.

No. 3: starting outside “X” receiver. The Patriots have been searching for this player since they traded Randy Moss. Chad Johnson (complete bust) and Lloyd (average production) were not good enough to open up the middle of the field for the other weapons. How to fill: Draft a receiver in the first round, move Hernandez to X in the interim, and allow Jake Ballard be the second tight end with Gronkowski.

No. 4: third/slot corner. Kyle Arrington thinks he’ll get paid on the open market. Look for the Patriots to leverage him against a free agent slot player such as Brice McCain of the Texans. How to fill: re-sign Arrington and/or second-round pick.

No. 5: third receiver/backup outside X receiver. If Lloyd isn’t brought back, the Patriots have no legitimate receivers to start free agency. This doesn’t have to be a dynamic downfield guy (though that would help), just a good receiver who can contribute. How to fill: sign David Nelson (Bills), or another mid-priced free agent.

No. 6: Pass rushing defensive tackle. The Patriots tried to unsuccessfully fill this spot last year with Red Bryant (re-signed by Seahawks) and then ultimately Fanene (knee problem). Getting Armond Armstead from the CFL doesn’t make this a desperate spot, but they’d love someone. How to fill: compete for Desmond Bryant (Raiders).

No. 7: backup versatile Z receiver. This should be Julian Edelman’s spot if he doesn’t get the contract he thinks he should on the market. How to fill: re-sign Edelman.

No. 8: Third pass-rushing end. This would be higher on my personal list, but the Patriots have more pressing needs. How to fill: sign best veteran looking to trade money for a ring, such as Dwight Freeney (Colts) or Israel Idonije (Bears).

No. 9: Competition at right tackle. With Sebastian Vollmer expected to land a big contract on the open market, the Patriots have Marcus Cannon slotted at right tackle. Need to find a veteran to compete. How to fill: Let line coach Dante Scarnecchia pick a guy late and cheap in free agency, or via trade in camp.

No. 10: Competition at safety. Compared with some positions, the Patriots actually have players here, with McCourty and Tavon Wilson penciled in as starters, so it’s not a huge concern internally. But Ed Reed will be awfully tempting. How to fill: Draft, third round.

No. 11: Backup/competition guard. Nick McDonald is a solid, versatile guy to have around but he’s not a starter should Dan Connolly get hurt again. How to fill: late free agency.

No. 12: fourth cornerback. Patriots found this guy (Dennard) in seventh round and he wound up starting. Looking for a repeat. How to fill: Draft, seventh round.

No. 13: swing tackle. If Vollmer is gone, the Patriots have no one to back up at left tackle — which would make them like every other team. Ideally this would be filled by need No. 9, but more bodies are needed in any event. How to fill: Draft, seventh round or undrafted free agent.

No. 14: backup flex tight end. The Patriots probably have this guy coming back in Brad Herman, who was an undrafted free agent last year before getting hurt. But the Patriots never can have enough backups for Hernandez, who hasn’t stayed healthy yet. How to fill: undrafted free agent.

Greg A. Bedard can be reached at gbedard@globe.com. Follow him on Twitter @GregABedard
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