On May 13, 1989, Roger Mayweather (34-5, 23 KOs), the super-lightweight WBC champion, defends his title against former world champion Julio César Chávez (62-0, 50 KOs).
Julio César Chávez is coming in to the fight on a 62-fight win streak with a 80% KO rate; his last fight was a technical decision win over José Luis Ramírez, 6 months and 14 days ago. Roger Mayweather is on a 8-fight win streak with a 59% KO rate, with his last fight being a unanimous decision win over Vinny Pazienza, 6 months and 6 days ago.
This should be a confident win for Julio César Chávez at 99-1 winning odds. Roger Mayweather really doesn't have much to present against Chávez.
In the rematch, the champion refused to continue the fight in the 10th round, and Julio César Chávez is crowned the new WBC super-lightweight world champion. Chávez improves his record to 63-0 (51 KOs), while Mayweather adds a loss to his record at 34-6.