On February 27, 2010, 25-year-old Wilfredo Vázquez Jr. (17-0-1, 14 KOs) and Marvin Sonsona fought for the vacant WBO super-bantamweight title.
Vázquez Jr. came in to the fight on a 8-fight win streak with a 77% KO rate, and was fighting after a gap of 3 months and 7 days.
Wilfredo Vázquez Jr. stopped Marvin Sonsona via KO in the 4th round of the 12-round world-title fight. Vázquez Jr. improves his record to 18-0-1 (15 KOs)
On May 29, 2010, the 25-year-old WBO super-bantamweight world champion, Wilfredo Vázquez Jr. (18-0-1, 15 KOs), faced a 26-year-old Hungarian boxer Zsolt Bedák (15-0, 5 KOs), in a title defense fight.
Vázquez Jr. came in to the fight on a 9-fight win streak with a 78% KO rate, and was fighting after a gap of 3 months and 2 days. Bedak was on a 15-fight win streak with a 33% KO rate, and fighting after a layoff of 5 months and 25 days.
Wilfredo Vázquez Jr. stopped Zsolt Bedák via TKO in the 10th round of the 12-round world-title fight, and successfully defended his WBO super-bantamweight title. Vázquez Jr. improves his record to 19-0-1 (16 KOs), while Bedak adds a loss to his record at 15-1.
On October 16, 2010, the 26-year-old WBO super-bantamweight world champion, Wilfredo Vázquez Jr. (19-0-1, 16 KOs), faced Iván Hernández, in a title defense fight.
Vázquez Jr. came in to the fight on a 10-fight win streak with a 80% KO rate, and was fighting after a gap of 4 months and 17 days.
Wilfredo Vázquez Jr. stopped Iván Hernández via TKO in the 11th round of the 12-round world-title fight, and successfully defended his WBO super-bantamweight title. Vázquez Jr. improves his record to 20-0-1 (17 KOs)
On October 6, 2012, a 28-year-old Wilfredo Vázquez Jr. (21-2-1, 18 KOs) and a 29-year-old fellow Puerto Rican boxer Jonathan Oquendo (22-2, 15 KOs) met in the ring in a super-bantamweight bout.
Vázquez Jr. came in to the fight on a 1-fight losing streak with a 75% KO rate, and was fighting after a gap of 8 months and 2 days. Oquendo was on a 8-fight win streak with a 62% KO rate, and fighting after a layoff of 1 year and 5 days.
Wilfredo Vázquez Jr. stopped Jonathan Oquendo via TKO in the 7th round. Vázquez Jr. improves his record to 22-2-1 (19 KOs), while Oquendo adds a loss to his record at 22-3.
On February 4, 2012, 27-year-old Wilfredo Vázquez Jr. (21-1-1, 18 KOs) and 29-year-old Nonito Donaire (27-1, 18 KOs) fought for the vacant WBO super-bantamweight title.
Vázquez Jr. came in to the fight on a 1-fight win streak with a 78% KO rate, and was fighting after a gap of 3 months and 6 days. Donaire was on a 26-fight win streak with a 64% KO rate, and fighting after a layoff of 3 months and 13 days.
Nonito Donaire defeated Wilfredo Vázquez Jr. via split decision . Donaire improves his record to 28-1, while Vázquez Jr. adds a loss to his record at 21-2-1.
On June 16, 2018, a 33-year-old Wilfredo Vázquez Jr. (24-7-1, 19 KOs) and Cristian Mijares met in the ring.
Vázquez Jr. came in to the fight on a 3-fight losing streak with a 59% KO rate, and was fighting after a gap of 1 year, 7 months, and 18 days.
Wilfredo Vázquez Jr. stopped Cristian Mijares via KO in the 3rd round. Vázquez Jr. improves his record to 25-7-1 (20 KOs)
On November 20, 2009, a 25-year-old Wilfredo Vázquez Jr. (16-0-1, 13 KOs) and Genaro García met in the ring in a super-bantamweight bout.
Vázquez Jr. came in to the fight on a 7-fight win streak with a 76% KO rate, and was fighting after a gap of 4 months and 3 days.
Wilfredo Vázquez Jr. stopped Genaro García via TKO in the 7th round. Vázquez Jr. improves his record to 17-0-1 (14 KOs)
On October 29, 2011, a 27-year-old Wilfredo Vázquez Jr. (20-1-1, 17 KOs) and a 32-year-old Mexican boxer Roberto Carlos Leyva (27-14-1, 21 KOs) met in the ring.
Vázquez Jr. came in to the fight on a 1-fight losing streak with a 77% KO rate, and was fighting after a gap of 5 months and 22 days. Leyva was on a -5-fight win streak with a 50% KO rate, and fighting after a layoff of 8 days.
Wilfredo Vázquez Jr. stopped Roberto Carlos Leyva via KO in the 3rd round. Vázquez Jr. improves his record to 21-1-1 (18 KOs), while Leyva adds a loss to his record at 27-15-1.
On May 7, 2011, the 26-year-old WBO super-bantamweight world champion, Wilfredo Vázquez Jr. (20-0-1, 17 KOs), faced a 31-year-old Mexican boxer Jorge Arce (56-6-2, 43 KOs), in a title defense fight.
Vázquez Jr. came in to the fight on a 11-fight win streak with a 81% KO rate, and was fighting after a gap of 6 months and 21 days. Arce was on a 1-fight win streak with a 67% KO rate, and fighting after a layoff of 4 months and 19 days.
Jorge Arce stopped the champion via TKO in the final round of the 12-round world-title fight, and is crowned the new WBO super-bantamweight champion. Arce improves his record to 57-6-2 (44 KOs), while Vázquez Jr. adds a loss to his record at 20-1-1.
On July 17, 2009, a 25-year-old Wilfredo Vázquez Jr. (15-0-1, 12 KOs) and Cecilio Santos met in the ring in a super-bantamweight bout.
Vázquez Jr. came in to the fight on a 6-fight win streak with a 75% KO rate, and was fighting after a gap of 4 months and 4 days.
Wilfredo Vázquez Jr. stopped Cecilio Santos via KO in the 2nd round. Vázquez Jr. improves his record to 16-0-1 (13 KOs)