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Mary Spencer
Vs
Friday, October 31
Montreal Casino | Montreal, Canada
Mayer wins by UD:
100-90, 98-92, 98-92
100-90, 98-92, 98-92
Wins
Mikaela Mayer
Friday, October 31
Mary Spencer
vs Mikaela Mayer
Montreal Casino | Montreal, Canada
Mayer wins by UD:
100-90, 98-92, 98-92
100-90, 98-92, 98-92
Post release
MONTREAL, Canada (Oct. 30, 2025) — Mikaela Mayer traveled to enemy territory and is coming back to America as a three-belt world champion.
Mayer defeated Canada's Mary Spencer via one-sided unanimous (100-90 and 98-92 2x) to capture the WBA, WBC, and WBO super welterweight world titles Thursday evening at Montreal Casino in Montreal, Canada.
Mayer (22-2, 5 KOs), who is still the reigning WBO welterweight queen, is now a three-weight world champion.
Though the smal...
Results
Wilkens Mathieu vs. Shakeel Phinn
Mathieu by UD: 98-91, 98-91, 92-98
Arthur Biyarslanov vs. Sergey Lipinets
Biyarslanov by UD: 97-92, 98-91, 96-93
Mehmet Unal vs. Ralfs Vilcans
Unal by TKO in round 1
Christopher Guerrero vs. Williams Andres Herrera
Guerrero by UD: 99-91, 97-93, 98-92
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