Claressa Shields Trailer | ESPN+

Claressa Shields, a new four-part, all-access series, premiering exclusively on ESPN in June, will give fans a behind-the-scenes look at Shields’ quest to become the greatest two-sport athlete of all time, simultaneously maintaining her dominance in boxing while making her debut in mixed martial arts. The first episode of the series, premiering Thursday, June 3, captures Shields as she prepares to make her MMA debut with the Professional Fighters League in a lightweight bout versus Brittney Elkin at PFL 4 on Thursday, June 10.