You have to go with Barksdale. Avon acquired a lot of connections throughout his years in the game. Even though neither were in there prime, in season 3, the Stansfield organization was embarrassing them. However, Barksdales later turned the tables toward the end of the season & were the ones taking it to Stansfield. They would have finished them off if not for that arrest. And we are talking about a version of the Barksdale organization. The reason this is relevant is to show Avon's ability to get more soldiers if needed. They too deep for Stansfield