Let us presume that the base case is one where none of the three are re-signed.
So, what you seem to be willing to pay $6.0M for three important positions.
Vereen - $3.0M net
Ridley $1.0M net
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total $4.0M net
Amendola ($2.0M) savings if you get him to reduce his new money to $2.5M
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$2.0M added to the cap
I presume that you would keep Solder. IMHO, I think that we also need a veteran interior OL for an additional cost of $2.0M net.
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Compared to the numbers needed on the defense, this cost is very modest, and very reasonable. For $4M added to the cap, the offense is kept intact, with another 2-3 of draftee OL's to be added.
That pretty much sums it up. Thanks.