Heaviest heavyweight boxing world champion
- Who
- Nikolay Valuev
- Where
- United States
- When
- 07 October 2006
Nikolay Valuev (Russia) weighed in at 328 lb (148.7 kg) for his World Boxing Association heavyweight title fight with Monte Barrett (USA) at Allstate Arena, Rosemont, Illinois, USA, on 7 October 2006. Valuev won the bout via technical knockout in Round 11.