Chicago rapper Chief Keef is racking up the big name endorsements. After getting the remix treatment from Kanye West on his single “I Don’t Like” featuring Pusha T, Big Sean, and Jadakiss, the 16-year-old MC rides with Young Jeezy on “Understand Me.” “Bitch my name is Sosa, you can call me Sammy,” he raps, while Jeezy proclaims,

“If thuggin’ was a category, I’d win a Grammy.”