From Wikipedia: "Atari Bigby was born in Jamaica and moved to the U.S. at age 4 ... Atari Bigby is a Rastafarian who chose not to attend the University of Miami (Fla.), because the school would have required him to cut his hair in conflict with his beliefs."
So there's your explanation for the following, during SNF's player intros:
Bigby, for the record, attended the University of Central Florida, and went to high school in Florida. Also, that appears to be his real accent, which is awesome.