It's a four-year deal for the special teams stalwart.
Four Redskins starters nursed injuries on Tuesday as their team begin laying the groundwork for Thursday afternoon's game at Dallas.
The Redskins' long snapper has been on the winning end of both Washington-Green Bay matchups this calendar year.
In need of a healthy long snapper, the Washington Redskins signed Rick Lovato on Saturday.
If Sundberg can't play, Colt McCoy would likely be the long snapper against the Packers.
With the long snapper nursing a back injury, Redskins work out a couple of free agents on Friday.
The wide receiver was limited, but he's making strides with his injured shoulder following Thursday's practice.
It's become clear that the 49ers quarterback's actions have made an impact inside the Redskins locker room over the past two months.
Nick Sundberg undergoes knee surgery and faces a five-month recovery.
Redskins linebacker Bryan Kehl and long-snapper Nick Sundberg have both been lost for the season with knee injuries.