That's up from the original projection of about $10.9 million.
Teams notified Friday of final cap figure, which is up $10 million from last season.
The veteran cornerback will be a free agent, but defensive coordinator Jim Haslett called re-signing him an offseason priority.
The Redskins sign former Titans center Kevin Matthews, a three-year veteran.
The Washington Redskins on Sunday evening hosted veteran cornerback Quentin Jammer as they continue to search for solutions to upgrade their secondary.
He joins Aqib Talib as the second high-profile veteran CB that the Redskins chased in free agency this offseason but didn't sign.
Redskins have been in pursuit of veteran free agent cornerback despite salary cap situation.
Washington has retained its free agent tight end with a one-year contract. He had also drawn interest from the Bills and Jets.
Vikings want the 36-year-old DB to return
The E.J. Biggers signing and pursuit of Antoine Winfield don’t mean Washington’s finances are in better shape.