I ignore future contract players who are likely Practice Squad guys. The exception is that I will include Dillard as a roster player since otherwise you are short a defensive back. Also I include Bruschi in the analysis since I don't see him retiring before the draft.
OFFENSE (28 competing for 27 current roster spots)
1) At QB, RB, TE and WR, there are no changes, except that Brady and Maroney are back to replace Cassel and Jordan. That certainly seems right.
2) At OL, you have competition at RT with O'Callaghan coming back to compete with Levoir and Britt for the two roster spots.
3) I agree with your re-signings of Evans, Gaffney, Hochstein and the ERFA's. I might not bother to tender Britt. I suppose a low tender doesn't make much difference. Also, Gaffney might not re-sign, which would mean that we would likely sign another free agent WR.
4) Your analysis shows that the offense is ready to play, even before the draft.
5) There will be the usual complement of low priced free agent to complete the Training Camp Roster.
6) For me, this analysis is fine, but hides the needs at TE and OG. We have gotten little prodcution out of the TE position since Graham left. Both starting guards (and Yates) are free agents after the 2009 season. We need to develop replacements or we need to re-sign Neal and Mankins.
7) The reason for so many roster spots (27), is that four of the WR rarely catch a ball. They are STers. So, we really have four STers disguised on the roster as wide receivers. We could consider as many as three to be vulnerable to defensive STer's.
DEFENSE (26 competing for 23 current roster spots; could be as high as 26 depending on how many linebackers are kept)
1) The DL is fine as long as we re-sign Wright and extend Seymour, Wilfork and Green. Otherwise, we have a serious need at DL.
2) We have 11 LB's competing for what are now 8 spots. I have no issue since I don't expect Ruud to make the team. And I expect that at least one of Izzo and Alexander won't be back. This position is fine coming into camp. We have another year to see how Woods, Crable and Redd develop. Until then, I am fine with Vrabel and Thomas. In a good world the three youngsters will get increasing time during the season. I see a need for yet another young ILB, unless Vrabel is being moved inside. So, in the end, one more young stud would be great.
3) We've reloaded at corner. We have Hobbs and the kids. We need to see what we have with Wheatley, Wilhite and Richardson. Hobbs is the "old vet". We'll look for a top corner in the draft, but I suspect that we have our youngsters. We will sign 2-3 vets for camp. Personally, I would like to see the three we have now come back to camp. We might find someone better in free agency, or not.
4) You "solve" the initial safety problem by re-signing James Sanders, Tank Williams, Spann
and Dillard. We need to upgrade here. I think the upgrade will be forced because I think this year's JAG, James Sanders, will get more from another team than we will give him (as did Gay and Wilson).
BOTTOM LINE
We can start free agency with a bunch of re-signings of our own free agents. We usually do. We might sign a someone from somewhere else in the first week, or not. As belichick likes to do, the above plan gets us ready to play before the draft. The draft is all about upgrades and future development. We should as small a set of critical needs going into the draft as possible. The last two years, we need a safety and then a linebacker. We did fine with Meriweather and Mayo. Guyton was a bonus.
The reality is that this team will be much better with Tom Brady back. The offense is fine now. It will be great again next year. The defense has player getting older and less effective, and youngsters stepping up to replace them, as has always been the case.
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I guess if I could have three wishes for the offseason, my wishes would be
A) a healthy Tom Brady
B) health for the rest of the players; for example Maroney and A. Thomas
3) one game changing defensive back
I know many (including me) have said that we have won with less. But the fact is that Otis Smith would be the best back we have, by far. And he played opposite Ty Law. Similarly at safety. Milloy is gone and was replaced by Harrison. So who do we have now? Meriweather is OK and will improve more, but James Sanders is no Harrison.
Well, it's never too early. So here's an early look at how I think the Pats will approach the beginning of their offseason, whenever it shall come:
Quarterback:
Retained: Tom Brady, Kevin O'Connell
Re-signed: Matt Gutierrez (ERFA)
Depart via FA: Matt Cassel (UFA)
Running back:
Retained: Laurence Maroney, Sammy Morris, Kevin Faulk, BenJarvus Green-Ellis
Re-signed: Heath Evans (UFA)
Not re-signed: LaMont Jordan (UFA)
Tight end:
Retained: Benjamin Watson, David Thomas
Re-signed: Tyson DeVree (ERFA)
Wide receiver:
Retained: Randy Moss, Wes Welker, Sam Aiken, Kelley Washington, Matthew Slater
Future contract: Maurice Price
Re-signed: Jabar Gaffney (UFA), Ray Ventrone (ERFA)
Offensive line:
Retained: Matt Light, Logan Mankins, Dan Koppen, Stephen Neal, Nick Kaczur, Billy Yates, Ryan O'Callaghan
Future contract: Dan Connolly, Ryan Wendell
Re-signed: Russ Hochstein (UFA), Mark LeVoir (ERFA), Wesley Britt (RFA)
Injury settlement: Barry Stokes
Defensive line:
Retained: Richard Seymour, Vince Wilfork, Ty Warren, Jarvis Green, Le Kevin Smith
Future contract: Titus Adams
Re-signed: Mike Wright (UFA)
Injury settlement: Kenny Smith
Linebacker:
Retained: Mike Vrabel, Adalius Thomas, Jerod Mayo, Gary Guyton, Shawn Crable, Bo Ruud
Future contract: Darrell Robertson
Retire: Tedy Bruschi
Re-signed: Pierre Woods (RFA), Eric Alexander (RFA), Larry Izzo (UFA), Vince Redd (ERFA)
Defensive back:
Retained: Brandon Meriweather, Ellis Hobbs, Terrence Wheatley, Jonathan Wilhite
Future contract: Mark Dillard
Re-signed: James Sanders (UFA), Tank Williams (UFA), Antwain Spann (ERFA), Mike Richardson (ERFA)
Retire/Not re-signed: Rodney Harrison (UFA)
Not re-signed: Deltha O'Neal (UFA), Lewis Sanders (UFA), Jason Webster (UFA)
Special teams:
Retained: Stephen Gostkowski
Future contract: Tom Malone
Re-signed: Lonie Paxton (UFA), Chris Hanson (UFA)
...I put the secondary in bold because that's where I think the most change could come. I have Sanders and Williams both being re-signed, but it could go either way. Meriweather, Wheatley, Hobbs (for now), and Wilhite are the obvious base, and how the Pats go about (re-)building around that, I am not sure. Could be FA, could be a draft, could be a mix.