On October 18, 2003, Dariusz Michalczewski (48-0, 38 KOs), the light-heavyweight WBO champion, defends his title against Mexican challenger, Julio César González (34-1, 22 KOs).
Dariusz Michalczewski is coming in to the fight on a 48-fight win streak with a 79% KO rate; his last fight was a 9th round KO victory over Derrick Harmon, 6 months and 19 days ago. Julio César González is on a 7-fight win streak with a 62% KO rate, with his last fight being a unanimous decision win over Manu Ntoh, 4 months and 12 days ago.
Although the odds are slightly in favor of Julio César González at 51.2-48.8, it would be fair to consider this a 50-50 fight. González has a slightly better chance of winning, but Michalczewski could also certainly pull it off.
Julio César González defeated Dariusz Michalczewski via split decision and wins the WBO title — in his first world-title fight. González improves his record to 35-1, while Michalczewski adds a loss to his record at 48-1.