Title lineage
WBO INTERIM WELTERWEIGHT Champions
A complete roll of WBO INTERIM welterweight champions since 1994 — 5 champions across 5 reigns. ARNOLD BARBOZA, JR. is the current titleholder. The longest reign belongs to LAMONT PETERSON (15y 1m, 0 defences).
- 5ARNOLD BARBOZA, JR.CURRENT CHAMPION
2025–present · 1y 8m · 0 defences
- 4
2024–2025 · 9m · 0 defences
- 3
2009–2024 · 15y 1m · 0 defences
- 2
2004–2009 · 4y 9m · 0 defences
- 1
1994–2004 · 9y 11m · 0 defences
