On March 12, 2009, Oscar Larios and Takahiro Ao met again in an immediate rematch.
Larios came in to the fight on a 4-fight win streak with a 55% KO rate, and was fighting after a gap of 4 months and 24 days.
Oscar Larios was defending his featherweight WBC titles against Takahiro Ao and lost via unanimous decision in the 12-round featherweight fight, and adds an loss to his record at 63-7-1.
On July 21, 2007, a 30-year-old Oscar Larios (59-5-1, 37 KOs) and a 21-year-old Venezuelan boxer Jorge Linares (23-0, 14 KOs) met in the ring in a featherweight bout.
Larios came in to the fight on a 3-fight win streak with a 56% KO rate, and was fighting after a gap of 3 months and 21 days. Linares was on a 23-fight win streak with a 60% KO rate, and fighting after a layoff of 5 months and 18 days.
Jorge Linares stopped Óscar Larios via TKO in the 10th round. Linares improves his record to 24-0 (15 KOs), while Larios adds a loss to his record at 59-6-1.
On July 2, 2006, a 29-year-old Oscar Larios (56-4-1, 36 KOs) and a 27-year-old Filipino boxer Manny Pacquiao (41-3-2, 32 KOs) met in the ring in a super-featherweight bout.
Larios came in to the fight on a 1-fight losing streak with a 59% KO rate, and was fighting after a gap of 6 months and 29 days. Pacquiao was on a 2-fight win streak with a 69% KO rate, and fighting after a layoff of 5 months and 11 days.
Manny Pacquiao defeated Óscar Larios via unanimous decision in the 12-round super-featherweight fight. Pacquiao improves his record to 42-3-2, while Larios adds a loss to his record at 56-5-1.
On December 3, 2005, Oscar Larios and Israel Vázquez met again in a rematch.
Larios came in to the fight on a 17-fight win streak with a 60% KO rate, and was fighting after a gap of 4 months and 17 days. Vázquez was on a 6-fight win streak with a 65% KO rate, and fighting after a layoff of 6 months and 3 days.
Israel Vázquez made easy work of Óscar Larios in the rematch, stopping the champion via TKO in the 3rd. Vázquez improves his record to 39-3 (28 KOs), while Larios adds a loss to his record at 56-4-1.
On January 19, 2001, a 24-year-old Oscar Larios (39-2-1, 30 KOs) got a shot at the super-bantamweight WBC title held by Willie Jorrín.
Larios came in to the fight on a 10-fight win streak with a 71% KO rate, and was fighting after a gap of 4 months and 3 days.
Oscar Larios was defending his super-bantamweight titles and, fighting for the super-bantamweight WBC titles against Willie Jorrín and lost via unanimous decision in the 12-round super-bantamweight fight, and adds an loss to his record at 39-3-1.
On October 23, 1998, a 21-year-old Oscar Larios (29-1-1, 22 KOs) and a 28-year-old Dominican boxer Agapito Sánchez (22-9-2, 11 KOs) met in the ring in a super-bantamweight bout.
Larios came in to the fight on a 8-fight win streak with a 71% KO rate, and was fighting after a gap of 14 days. Sánchez was on a 1-fight win streak with a 33% KO rate, and fighting after a layoff of 1 month and 24 days.
Agapito Sánchez stopped Oscar Larios via TKO in the 5th round. Sánchez improves his record to 23-9-2 (12 KOs), while Larios adds a loss to his record at 29-2-1.
On April 12, 1997, a 20-year-old Oscar Larios (20-0, 15 KOs) and a 19-year-old fellow Mexican boxer Israel Vázquez (11-1, 10 KOs) met in the ring.
Larios came in to the fight on a 20-fight win streak with a 75% KO rate, and was fighting after a gap of 2 months and 12 days. Vázquez was on a 2-fight win streak with a 83% KO rate, and fighting after a layoff of 14 days.
Israel Vázquez stopped Óscar Larios via KO in the 1st round. Vázquez improves his record to 12-1 (11 KOs), while Larios adds a loss to his record at 20-1.