Chief Keef is pretty much saying he is the real world version of Sosa. He released the song Love Sosa after the death of rival Chicago rapper Lil JoJo, who was killed the same day he exchanged threats and insults via Twitter with Chief Keef and affiliates. Rumor is Chief Keef paid for the hit. read more
If you want to know the explanation behind Sosa, it's a combination of Alejandro Sosa (Scarface character) and Sammy Sosa (Chicago Cubs player). Sammy Sosa and Chief Keef both rep Chicago, one because it's his team, and Keef because it's his hometown. read more
Chief Keef is a member of the Black Mafia Family. *The Black Mafia Family is a street gang that wear the color black. read more