Bills sign Dennis Dixon to practice squad, Powell, Smith to active roster

Aaron Wilson

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.

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Aaron WIlson covers the Ravens for The Baltimore Sun.

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