Panthers center Ryan Kalil did restructure his contract. $4.75M base salary reduced to $855k, remainder converted to signing bonus.
Kalil had a $10.4M cap number. New number is $7.284. Panthers save $3.116M in 2014 cap space.
Panthers RB Jonathan Stewart tweaked his deal, as well. $1.5M base reduced to $785k. Remainder ($715k) was added to his $6.785M option bonus
So Stewart gets $7.5M signing bonus, prorated over 5 years. Renegotiation lowers 2014 cap number by $911,250
I haven't seen this anywhere but it looks like Gettleman has been busy.