From Boxrec Boxing Encyclopaedia
2006-10-07 : Joel Casamayor 135 lbs beat Diego Corrales 139 lbs by SD in round 12 of 12
- Corrales lost his title on the scales when he failed to make the weight. Thus, the title was on the line for Casamayor only. If Corrales had not lost the fight, the title would have been considered vacant.
- Corrales scored a questionable knockdown in round five. Casamayor scored a puff over Corrales's left eye in round six. Corrales bloodied Casamayor's nose in round twelve.
- In addition to the WBC lightweight title, Casamayor also won the Ring Magazine Championship of the World.