Baltimore Ravens special teams specialist Brendon AyanbadejoThe Baltimore Ravens improved their special teams unit as on Thursday, tey came to terms on a contract with former Chicago Bears special teams specialist Brendon Ayanbadejo on a 4-year contract; terms were not disclosed, but according to the Baltimore Sun, the deal is worth $4.9 million.  While with the Bears, Ayanbadej recorded 26 special teams tackles; a 2-time Pro Bowler, Ayanbadejo has appeared in 80 games over parts of 5 seasons with the Miami Dolphins and Chicago Bears, recording 129 tackles.