Mikaela Mayer

Mikaela Mayer is an active professional boxer from the United States. She is a three-division World Champion, currently holding the unified WBA, WBC, and WBO Super Welterweight World Titles and the WBO Welterweight World Title.

Player Profile and Personal Life

Mikaela Joslin Mayer was born on July 4, 1990, in Los Angeles, California, USA. The American fighter is 175 cm tall and has a wingspan of 169 cm.

She has competed in multiple divisions, ranging from Super Featherweight to Super Welterweight. She fights from an orthodox position and is a former model who transitioned to boxing, eventually representing the United States at the 2016 Rio Olympics.

Career

Mayer began her professional campaign in August 2017 with a first-round knockout victory. She quickly rose to prominence at Super Featherweight, unifying the WBO and IBF titles in a historic run that included a victory over Maiva Hamadouche. After a narrow-split decision loss to Alycia Baumgardner in 2022, she moved up in weight to chase new titles.

She found success at Welterweight in 2024, capturing the WBO Welterweight World Title in September by defeating Sandy Ryan via majority decision. She successfully defended this title in a rematch with Ryan in March 2025.

In October 2025, Mayer moved up to the Super Welterweight division and achieved a major career milestone. Fighting in Montreal, she defeated Mary Spencer via unanimous decision to capture the WBA, WBC, and WBO Super Welterweight World Titles, becoming a simultaneous two-division world champion.

Career Record:

Total - 24

Wins – 22

• By knockout – 5
• By decision - 17

Losses – 2

• By knockout – 0
• By decision - 2

Draws - 0

Medal Record

• 2012 – World Championship Qinhuangdao (Light Welterweight)