13.75m a year would constitute a hometown discount. Word is he's asking for around 16m/yr.
I could see the money working that way. Also his 2015 cap would be low as would Wagz and RW's, however, those would balloon severely in 2016 and would likely handicap us in regards to Irvin and others in the future.
I would love to see it but it's going out on a limb financially and I'm not sure they would do that.
That said, they would keep Mebane most likely as put Suh at the 3T which would mean Mebane at the NT, Suh at the 3T, Avril and Bennett on the edges with Irvin SLB. That's a ton of speed and pass rush ability. I can see them allowing like 3.0 YPC if that happened and would just force teams to throw the ball which is exactly what made the LOB so dominant in 2013. That would help our turnovers and time of possession greatly. That would feed right into our run first offense and we'd likely run all day with Lynch and company all over people.
I still don't see it happening. Tampering, franchise tag, future contract discussions with Detroit, teams like Jacksonville and Oakland with a ton of money they have to spend per the CBA, etc, etc. Just a lot of reasons this could not happen.
As far as "it's done, and here are the terms", I think that makes this unlikely. Those things don't get finalized this early before the FA period even starts.