The main spots are LT, backup QB, DT, LB, CB
The key guys the Patriots have to replace will be Solder and Butler if don't resign Butler and Solder retires like we think he will.
At LT do we go with Garcia or someone else? I think Garcia is still the plan for now.
Here is what the Pats do.
#1 cut/redo Branch contract (saves up to 2.7M)
#2 cut/redo Bennett contract (saves up to 5.5M)
#3 cut/redo Allen contact (saves up to 4M)
#4 cut/redo McClellin (saves up to 1.5M)
#5 ask Brady to go from 22M to 20M if willing (saves 2M)
The Pats have 13.7M before any of these moves. Personally I'd cut Branch. Redo Bennett if he wants to come back cut Allen (or pay him about half as much) or if Bennett doesn't want to come back redo the Allen deal anyway. Neither have dead money so the Pats have a good deal of leverage. In either case TE behind Gronk should drop down by at least 5.1M if not more if Bennett doesn't come back and even if both do. I would let McClellin walk and save that 1.5 M. Also I would give strong consideration to letting Gillislee walk and saving that 1.5M. Frankly I don't see him as being much better than a JAG at this point but I will not include that.
This would bring the Pats cap space to about 23M
UFAs i'd sign
Burkhead 2.5M/yr
Lewis 2.5M/yr
Slater 1.5M/yr
Ebner 1.3M/yr
Amendola 1.7M/yr
Waddle 1.8M/yr - 11.3M total
RFAs I'd sign
King .6 M
Keep in mind all this could be lower considering how much they choose to back load the contracts.
This brings the total to 11.9M and you have about 12.1M to spend if you so choose. Do we spend that on Butler or not and if so how much? Also we need a little something for draft picks and emergency funds. Personally I bring Butler back and I think a contract averaging 9M is fair considering his play this year. He has been overall good but not a true top CB. That amount would make him the 17th highest paid CB in the NFL on average which is not bad at all. Start him at 6.4M this year and have it go up every year to average that number over 4/5 years.
The Pats would have 5.5M left and if they need to sign a small end guy cut a similar small end guy to be cap neutral. If need be ask Brady to change his contract just a few million. At this point extending him a year or 2 and having him take less this year as well wouldn't be crazy as he will be the solution the next 3 years you'd think at least but is only signed for 2018 and 2019.
Cap space even with Butler and signing the guys I want shouldn't be a big issue.
For picks if you believe Garcia is the solution at LT you can focus on front 7 and trying to find a backup.
1st rd pick - front 7 player
2nd rd pick (SF) - trade down for a 2nd and 4th (only you think you can only get a worthy QB prospect here)
2nd rd pick - backup QB
2nd rd pick - front 7 player
3rd rd pick - ???? depends
4th rd pick - ???? depends
Roster
Offense - 25
QB - 3 -Brady Hoyer (draft pick)
RB/FB - 5 - White Burkhead Lewis Gillislee Develin (Bolden cut unless injuries happen)
TE - 3 - Gronk Bennett/Allen/Hollister(2 of these 3 depending on contracts and retirement. Maybe draft a TE too depending how it plays out in the 3rd or 4th)
WR - 5 - Cooks Edelman Hogan Mitchell Amedola/Dorsett (cut Dorsett or let Amendola retire... I wanna keep Amendola... maybe a surprise MM cut due to injuries)
OT - 4 - Cannon Garcia Waddle (draft pick maybe or vet already on roster)
IOL - 5 - Thuney Andrews Mason Karras Croston?(could change)
Defense - 22
DE/DT - 8 -Flowers Rivers Wise Brown Butler Guy Valentine (draft pick)
LB - 5 - Hightower Van Noy Harris Roberts (draft pick)
CB - 5 - Gilmore, Butler, Rowe, J. Jones, C. Jones (maybe Bademosi over Rowe or C. Jones?)
S - 4 - McCourty Harmon Chung Richard
STs - 6 - Slater, Ebner, King, Gost, Allen Cardona
Something like that I'd guess.