One of the greatest female boxers in the world, Claressa Shields, enters into uncharted territory when she faces Brittney Elkin at PFL 4.
Shields, a multi-division world champion, achieved Olympic gold medal status in boxing. Now, she is ready to take on the world of MMA.
The two will headline PFL 4 live on the ESPN family of networks this Thursday.
In this special video from the promotion, get to know a little bit more about both Shields and Elkin ahead of their highly-anticipated match.