Ross Jackson explores a Carr trade to Giants [ESPN NFL Nation Giants reporter Jordan Raanan says Derek Carr could be a trade option for Giants]

Not sure if it’s been brought up, but I wonder if something like this happened, if it would be something like the Osweiler deal, where we send over an asset in exchange for them taking on more of the cash burden.
But that was guaranteed salary, not prorated bonus. You can't transfer money that has already been paid. Which is why the kicking the can cap strategy can cripple a team.