Permanent claim record · Grand Rapids, Michigan
Floyd Mayweather Jr. retired 50-0 with championships in five weight classes.
| Predicate | trivia.fact |
|---|---|
| Subject | Grand Rapids, Michigan (place) |
| As of | |
| Status | Verified |
| Source | Famous Michiganders, Pop Culture & Trivia Report — Perplexity Deep Research (2026) (trust 6.5/10) |
| Reference | — |
| Document hash | pending evidence-pack link |
| Provenance chain | |
| Claim ID | 8b77b115-86ae-4867-8c0d-80f89ea38ba8 |