Title lineage
WBC INTERIM LIGHT WELTERWEIGHT Champions
A complete roll of WBC INTERIM light welterweight champions since 1998 — 5 champions across 5 reigns. ISAAC CRUZ is the current titleholder. The longest reign belongs to KOSTYA TSZYU (20y 10m, 0 defences).
- 5ISAAC CRUZCURRENT CHAMPION
2025–present · 1y 3m · 1 defence
- 4
2024–2025 · 1y 1m · 0 defences
- 3
2021–2024 · 2y 11m · 0 defences
- 2
2019–2021 · 1y 10m · 0 defences
- 1
1998–2019 · 20y 10m · 0 defences
