The Buffalo Bills signed linebacker Ty Powell off the New York Giants' practice squad.

He's a former Seattle Seahawks seventh-round draft pick.

They also promoted cornerback Brandon Smith from the practice squad.

Linebacker Marcus Dowtin and cornerback Johnny Adams were released. 

Quarterback Dennis Dixon, a former Pittsburgh Steelers, Baltimore Ravens and Philadelphia Eagles backup, was signed to the practice squad.

Follow me on Twitter: @RavensInsider

Aaron WIlson covers the Ravens for The Baltimore Sun.