The Oakland Raiders signed quarterback Trent Edwards and defensive linemen David Carter and Torell Troup to reserve-future deals.
Edwards is a former Buffalo Bills starter.
He tried out for the Raiders during the season. A former third-round pick from Stanford, he has also played for the Jacksonville Jaguars and Philadelphia Eagles.
Carter is a former Dallas Cowboys backup. He was a sixth-round draft pick with the Arizona Cardinals.
He has 30 career ackles, one sack and one forced fumble.
Troup has previously played for the Bills.
He's a former second-round draft pick from Central Florida. He has 31 tackles and two pass deflections, but suffered a back injury and hasn't played in a game since 2011.
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Aaron Wilson covers the Ravens for The Baltimore Sun.
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