Shields-Marshall and Mayer-Baumgardner live results and analysis

Claressa Shields volition erstwhile again effort to unify each 4 large women's middleweight satellite titles erstwhile she faces Savannah Marshall successful the main lawsuit of an all-women paper astatine the O2 arena successful London connected Saturday (ESPN+, 2:30 p.m. ET). This is the archetypal of 2 large boxing cards connected ESPN+ connected the day. Devin Haney volition support his undisputed lightweight rubric against the antheral helium took the belts from conscionable a fewer months ago, George Kambosos, at 10:30 p.m. ET.

Shields (12-0, 2 KOs), 27, of Flint, Michigan, is simply a erstwhile middleweight and inferior middleweight undisputed champion and a unified ace middleweight champ. She vacated the middleweight WBO loop to determination down to inferior middleweight and present is trying to regain the undisputed rubric she ne'er mislaid successful the ringing against Marshall.

Marshall (12-0, 10 KOs), 31, of County Durham, England, defeated Hannah Rankin successful October 2020 to triumph the WBO loop and has made 3 palmy defenses since. Marshall is the lone combatant to person beaten Shields (a points triumph astatine the 2012 satellite championships successful China). Shields finished her amateur vocation with a grounds of 64-1 and is looking to avenge the lone loss.

In the co-main event, Mikaela Mayer takes connected Alycia Baumgardner successful a 10-round three-title unification bout betwixt 2 fighters who person built up the combat with changeless verbal jabs.

Mayer (17-0, 5 KOs), 32, of Woodland Hills, California, won the WBO loop against Ewa Brodnicka successful October 2020. She added the IBF loop aft defeating Maiva Hamadouche successful November 2021.

Baumgardner (12-1, 7 KOs), 28, of Fremont, Ohio, stopped Terri Harper with an awesome third-round KO to triumph the WBC loop past November.

Follow on arsenic Michael Rothstein recaps the enactment arsenic it happens oregon watch the fights connected ESPN+.

Still to come:

• Title fight: Claressa Shields vs. Savannah Marshall, 10 rounds, for Shields' WBC, IBF and WBA middleweight titles and Marshall's WBO middleweight title

• Title fight: Mikaela Mayer vs. Alycia Baumgardner, 10 rounds, for Mayer's WBO and IBF inferior lightweight titles and Baumgardner's WBC inferior lightweight title

• Lauren Price vs. Timea Belik, six rounds, welterweights

• Caroline Dubois vs. Milena Koleva, six rounds, lightweights

• Karriss Artingstall vs. Marina Sakharov, six rounds, featherweights