This isn't me, but saw this suggestion:
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If it were me, I'd make three roster moves very soon that would put us at close to the top in available cap space in the league.
I would:
Release Myles Jack (Save: $8M)
Release Mitchell Trubisky (Save: $8M)
and
Restructure Minkah Fitzpatrick (Save: $10.065M)
Giving us close to $34M in NFL team cap space. Taking us from our current 28th spot to the 4th spot -- only behind SF, CHI and ATL.
Both Jack and Mitch's production could easily be replaced for a small portion of that $16M savings.
ILBs: Wagner, David, Evans($3m), Tranquill($3m) or White($4m)
QBs: Rush($2m), Mariota, Dalton($3m), Brissett($3m), Dobbs($2m), Bridgewater or Minshew($3m)
Of course, I would do all of this in a way that allows me to keep my negotiating power throughout the process of signing FAs.
If done correctly, you could still have enough left over to fill SS1($3.5m), ILB2/3($2.5m), CB 4/5($2m), EDGE 3/4($2m), DL 3/4($3m), WR 5/6($2m) and RB3($2m).
This would allow you to focus on a few key positions in the draft (where it might be deep too). CB, OT, TE, WR, ILB, DL, EDGE, etc.