On November 1, 2002, Oscar Larios and Willie Jorrín met again in a rematch.
Larios came in to the fight on a 6-fight win streak with a 65% KO rate, and was fighting after a gap of 2 months and 8 days.
Oscar Larios made quick work of Willie Jorrín in the rematch, stopping the champion via TKO in the 1st. Larios improves his record to 46-3-1 (33 KOs)
On July 16, 2005, Oscar Larios and Wayne McCullough met again in an immediate rematch.
Larios came in to the fight on a 16-fight win streak with a 59% KO rate, and was fighting after a gap of 5 months and 6 days.
In the rematch, the challenger refused to continue the fight in the 10th round, and Oscar Larios is crowned the new super-bantamweight world champion. Larios improves his record to 56-3-1 (36 KOs)
On September 7, 2003, the 26-year-old WBC super-bantamweight world champion, Oscar Larios (48-3-1, 33 KOs), faced Kozo Ishii, in a title defense fight.
Larios came in to the fight on a 9-fight win streak with a 63% KO rate, and was fighting after a gap of 4 months and 12 days.
Oscar Larios made very easy work of Kozo Ishii, stopping the challenger via TKO in the 2nd. Larios improves his record to 49-3-1 (34 KOs)
On May 17, 2002, a 25-year-old Oscar Larios (43-3-1, 30 KOs) and a 24-year-old fellow Mexican boxer Israel Vázquez (32-2, 23 KOs) met in the ring for the 2nd time, in a super-bantamweight bout.
Larios came in to the fight on a 4-fight win streak with a 63% KO rate, and was fighting after a gap of 2 months and 9 days. Vázquez was on a 12-fight win streak with a 67% KO rate, and fighting after a layoff of 2 months and 25 days.
In the rematch, Oscar Larios stopped Israel Vázquez via TKO in the 12th round. Larios improves his record to 44-3-1 (31 KOs), while Vázquez adds a loss to his record at 32-3.
On November 22, 2003, the 27-year-old WBC super-bantamweight world champion, Oscar Larios (49-3-1, 34 KOs), faced Napapol Sor Rungvisai, in a title defense fight.
Larios came in to the fight on a 10-fight win streak with a 64% KO rate, and was fighting after a gap of 2 months and 15 days.
Oscar Larios stopped Napapol Sor Rungvisai via TKO in the 10th round of the 12-round world-title fight, and successfully defended his WBC super-bantamweight title. Larios improves his record to 50-3-1 (35 KOs)
On February 10, 2005, the 28-year-old WBC super-bantamweight world champion, Oscar Larios (54-3-1, 35 KOs), faced Wayne McCullough, in a title defense fight.
Larios came in to the fight on a 15-fight win streak with a 60% KO rate, and was fighting after a gap of 2 months and 24 days.
Oscar Larios defeated Wayne McCullough via unanimous decision and successfully defended his WBC super-bantamweight title. Larios improves his record to 55-3-1
On November 17, 2004, the 28-year-old WBC super-bantamweight world champion, Oscar Larios (53-3-1, 35 KOs), faced Nedal Hussein, in a title defense fight.
Larios came in to the fight on a 14-fight win streak with a 61% KO rate, and was fighting after a gap of 2 months and 28 days.
Oscar Larios defeated Nedal Hussein via unanimous decision and successfully defended his WBC super-bantamweight title. Larios improves his record to 54-3-1
On March 6, 2004, Oscar Larios and Shigeru Nakazato met again in a rematch.
Larios came in to the fight on a 11-fight win streak with a 64% KO rate, and was fighting after a gap of 3 months and 13 days.
Oscar Larios defeated Shigeru Nakazato via unanimous decision in the rematch and successfully defended his WBC super-bantamweight title. Larios improves his record to 51-3-1
On April 26, 2003, the 26-year-old WBC super-bantamweight world champion, Oscar Larios (47-3-1, 33 KOs), faced Shigeru Nakazato, in a title defense fight.
Larios came in to the fight on a 8-fight win streak with a 64% KO rate, and was fighting after a gap of 3 months and 10 days.
Oscar Larios defeated Shigeru Nakazato via unanimous decision and successfully defended his WBC super-bantamweight title. Larios improves his record to 48-3-1
On May 31, 2008, a 31-year-old Oscar Larios (60-6-1, 37 KOs) and Feider Viloria met in the ring in a featherweight bout.
Larios came in to the fight on a 1-fight win streak with a 55% KO rate, and was fighting after a gap of 3 months and 9 days.
Oscar Larios stopped Feider Viloria via TKO in the 5th round. Larios improves his record to 61-6-1 (38 KOs)