Mary Spencer (10-2-0) vs Mikaela Mayer (21-2-0)
- Date
- 2025-10-30
- Result
- Winner: Mikaela Mayer
- Method
- UD
- Round
- 10 of 10
- Venue
- Montreal Casino
- City
- Montreal
- Country
- 🇨🇦 CA
- Title
- Won WBA, vacant WBC, and WBO female super welterweight title
- Confirmation
- ✓✓ two sources
Sources
| Source | Side | Link | Observed |
|---|---|---|---|
| English Wikipedia | b | https://en.wikipedia.org/wiki/Mikaela_Mayer | 2026-10-11 |
| English Wikipedia | a | https://en.wikipedia.org/wiki/Mary_Spencer | 2026-10-11 |