In this corner, we have the multi-talented, Tyler, the Creator. Tyler is rap's new king of controversy. Tyler's ‘Wolf’ LP, with its surreal accompanying videos, has solidified his spot as one of hip-hop's new crop of young creative geniuses.

In the opposite corner, we have Funk Volume founder Hopsin who -- without much mainstream media hype -- has created a large and loyal cult following. He's a rapping, producing, directing, triple threat himself with no regard for rap idols.

Who should advance to the next round? Cast your vote for the Greatest Indie Rapper Ever in the poll below.

Voting for this round closes on Thursday Oct. 31 at 3:59PM ET. Fans can vote once per hour, so keep coming back to make sure that your favorite indie rap act wins.