Salary-cap spikes could drive quarterback market even higher

We don’t know, and for the next few days we won’t know, the total, actual value of the contract given by the 49ers to quarterback Colin Kaepernick.  So it’s possible that the 49ers haven’t given Kaepernick the top-of-market money that the agent-driven report of the value of the deal suggests. But let’s assume the non-leaked…