Tony 'Blue' DeRosa was a soldato in Clemenza's family. In 1958, DeRosa and Carmine Fucillo where kidnapped by the Rosato Brothers as part of their struggle against Frank Pentangeli. During a meeting with Pentangeli, Carmine Rosato promised Pentangeli to let the hostages free if he would give them concessions. Infuriated by their demands, Pentangeli left the meeting. It is unkown whether or not DeRosa survived the kidnapping.
Behind the scenes
Tony DeRosa is only mentioned in the screenplay of The Godfather Part II.