Unlock B. Rich
Create a player with DOLLABILLS as his last name. He will be available in the free agent pool

Unlock Busta Rhymes
To unlock Busta Rhymes, create a player with the last name of FLIPMODE. Once the player is created, Busta will be available in the free agent pool.

Unlock DJ Clue
To unlock DJ Clue, create a player with the last name of MIXTAPES. Once you're done, Clue will appear on the free agent list.

Unlock Ghetto Fabulous
To unlock Ghetto Fabulous as a playable character, create a player with the last name of GHETTOFAB. Once created, he will be available for signing from the free agent pool.

Unlock Hot Karl
To unlock Hot Karl, create a character with the last name CALIFORNIA. When you finish, check the free agent list to discover Hot Karl.

Unlock Just Blaze
To unlock Just Blaze, create a player with the last name GOODBEATS. Then check the free agent list to find Just Blaze