Undisputed female heavyweight champion Claressa Shields arguably has the best resume in boxing. Shields has also delved into MMA with the PFL, though with less success.

Claressa Shields ... catching Shields with a straight left that sent the ‘GWOAT’ stumbling backward just before the bell. READ MORE: "It's Over for the Sport" - MMA Insider Sounds Alarm ...

PFL will still support a second Claressa Shields vs Savannah Marshall fight, this time in MMA. With a plethora of talent at his fingertips following the acquisition of Bellator MMA, chairman Donn ...

Danielle Perkins Boxing star Claressa Shields inks multiyear MMA deal with PFL Claressa Shields retains title in one-sided win over Maricela Cornejo Women's boxing pound-for-pound rankings ...

Danielle Perkins Boxing star Claressa Shields inks multiyear MMA deal with PFL Claressa Shields retains title in one-sided win over Maricela Cornejo Women's boxing pound-for-pound rankings: Claressa ...

Lozada landed 40 percent of her punches. She limited Moran to a 20 percent landing rate Claressa Shields defeats Danielle Perkins by unanimous decision (100-89, 97-92, 99-90) to become the ...

It's time for some prime-time boxing in Flint. Women's heavyweight champion Claressa Shields returns to her hometown of Flint to defend her belt against Danielle Perkins, the top heavyweight ...