On October 29, 2011, a 32-year-old Roberto Carlos Leyva (27-14-1, 21 KOs) and a 27-year-old Puerto Rican boxer Wilfredo Vázquez Jr. (20-1-1, 17 KOs) met in the ring.
Leyva came in to the fight on a 5-fight losing streak with a 50% KO rate, and was fighting after a gap of 8 days. Vázquez Jr. was on a -1-fight win streak with a 77% KO rate, and fighting after a layoff of 5 months and 22 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 October 21, 2011, a 31-year-old Roberto Carlos Leyva (27-13-1, 21 KOs) and Jesus Lopez Armenta met in the ring.
Leyva came in to the fight on a 4-fight losing streak with a 51% KO rate, and was fighting after a gap of 7 months and 26 days.
Roberto Carlos Leyva lost to Jesus Lopez Armenta via unanimous decision in the 8-round fight, and adds an loss to his record at 27-14-1.
On February 25, 2011, a 31-year-old Roberto Carlos Leyva (27-12-1, 21 KOs) and a 30-year-old South African boxer Simpiwe Vetyeka (21-1, 12 KOs) met in the ring.
Leyva came in to the fight on a 3-fight losing streak with a 52% KO rate, and was fighting after a gap of 8 months and 20 days. Vetyeka was on a 5-fight win streak with a 54% KO rate, and fighting after a layoff of 1 year, 7 months, and 14 days.
Simpiwe Vetyeka stopped Roberto Carlos Leyva via KO in the 3rd round. Vetyeka improves his record to 22-1 (13 KOs), while Leyva adds a loss to his record at 27-13-1.
On June 5, 2010, a 30-year-old Roberto Carlos Leyva (27-11-1, 21 KOs) and a 30-year-old fellow Mexican boxer Édgar Sosa (37-6, 21 KOs) met in the ring for the 2nd time,.
Leyva came in to the fight on a 2-fight losing streak with a 53% KO rate, and was fighting after a gap of 2 months and 2 days. Sosa was on a -1-fight win streak with a 48% KO rate, and fighting after a layoff of 6 months and 15 days.
In the rematch, Édgar Sosa stopped Roberto Carlos Leyva via KO in the 2nd round. Sosa improves his record to 38-6 (22 KOs), while Leyva adds a loss to his record at 27-12-1.
On April 3, 2010, a 30-year-old Roberto Carlos Leyva (27-10-1, 21 KOs) and Juan José Montes met in the ring in a super-flyweight bout.
Leyva came in to the fight on a 1-fight losing streak with a 55% KO rate, and was fighting after a gap of 4 months and 7 days.
Roberto Carlos Leyva lost to Juan José Montes via disqualification in the 10-round super-flyweight fight, and adds an loss to his record at 27-11-1.
On November 27, 2009, a 30-year-old Roberto Carlos Leyva (27-9-1, 21 KOs) and a 24-year-old Panamanian boxer Luis Concepción (18-1, 13 KOs) met in the ring in a flyweight bout.
Leyva came in to the fight on a 1-fight win streak with a 56% KO rate, and was fighting after a gap of 2 months and 22 days. Concepción was on a 15-fight win streak with a 68% KO rate, and fighting after a layoff of 2 months and 22 days.
Luis Concepción stopped Roberto Carlos Leyva via KO in the 4th round. Concepción improves his record to 19-1 (14 KOs), while Leyva adds a loss to his record at 27-10-1.
On March 14, 2009, a 29-year-old Roberto Carlos Leyva (26-8-1, 20 KOs) and Z Gorres met in the ring in a bantamweight bout.
Leyva came in to the fight on a 2-fight losing streak with a 57% KO rate, and was fighting after a gap of 6 months and 3 days.
Roberto Carlos Leyva lost to Z Gorres via TKO in the 7th round, and adds an loss to his record at 26-9-1.
On September 11, 2008, a 28-year-old Roberto Carlos Leyva (26-7-1, 20 KOs) and Benjamin Garcia met in the ring.
Leyva came in to the fight on a 1-fight losing streak with a 58% KO rate, and was fighting after a gap of 9 months and 18 days.
Roberto Carlos Leyva lost to Benjamin Garcia via unanimous decision in the 6-round fight, and adds an loss to his record at 26-8-1.
On November 24, 2007, a 28-year-old Roberto Carlos Leyva (26-6-1, 20 KOs) got a shot at the light-flyweight WBC title held by 28-year-old fellow Mexican boxer Édgar Sosa (29-5, 15 KOs).
Leyva came in to the fight on a 3-fight win streak with a 60% KO rate, and was fighting after a gap of 1 month and 27 days. Sosa was on a 17-fight win streak with a 44% KO rate, and fighting after a layoff of 2 months and 8 days.
Édgar Sosa stopped Roberto Carlos Leyva via TKO in the 4th round of the 12-round world-title fight, and successfully defended his WBC light-flyweight title. Sosa improves his record to 30-5 (16 KOs), while Leyva adds a loss to his record at 26-7-1.
On June 22, 2006, a 26-year-old Roberto Carlos Leyva (23-5-1, 20 KOs) and Julio César Miranda met in the ring.
Leyva came in to the fight on a 2-fight losing streak with a 69% KO rate, and was fighting after a gap of 2 months and 1 day.
Roberto Carlos Leyva lost to Julio César Miranda via TKO in the 7th round, and adds an loss to his record at 23-6-1.
On April 21, 2006, a 26-year-old Roberto Carlos Leyva (23-4-1, 20 KOs) and Iván Hernández met in the ring in a bantamweight bout.
Leyva came in to the fight on a 1-fight losing streak with a 71% KO rate, and was fighting after a gap of 1 year, 8 months, and 21 days.
Roberto Carlos Leyva lost to Iván Hernández via majority decision in the 12-round bantamweight fight, and adds an loss to his record at 23-5-1.
On July 31, 2004, a 24-year-old Roberto Carlos Leyva (23-3-1, 20 KOs) got a shot at the strawweight WBO title held by 29-year-old Puerto Rican boxer Iván Calderón (19-0, 4 KOs).
Leyva came in to the fight on a 1-fight win streak with a 74% KO rate, and was fighting after a gap of 1 month and 10 days. Calderón was on a 19-fight win streak with a 21% KO rate, and fighting after a layoff of 4 months and 11 days.
Iván Calderón defeated Roberto Carlos Leyva via unanimous decision and successfully defended his WBO strawweight title. Calderón improves his record to 20-0, while Leyva adds a loss to his record at 23-4-1.
On April 10, 2004, Roberto Carlos Leyva and Daniel Reyes met again in a rematch.
Leyva came in to the fight on a 1-fight win streak with a 76% KO rate, and was fighting after a gap of 7 months and 2 days.
Roberto Carlos Leyva was defending his strawweight titles and, fighting for the strawweight IBF titles against Daniel Reyes and lost via TKO in the 3rd round, and adds an loss to his record at 22-3-1.
On March 22, 2003, Roberto Carlos Leyva and Miguel Barrera met again in an immediate rematch.
Leyva came in to the fight on a 1-fight losing streak with a 78% KO rate, and was fighting after a gap of 7 months and 13 days.
Roberto Carlos Leyva was defending his strawweight titles and, fighting for the strawweight IBF titles against Miguel Barrera and lost via KO in the 3rd round, and adds an loss to his record at 21-2-1.
On August 9, 2002, Roberto Carlos Leyva and Miguel Barrera met again in a rematch.
Leyva came in to the fight on a 2-fight win streak with a 81% KO rate, and was fighting after a gap of 5 months.
Roberto Carlos Leyva was defending his strawweight IBF titles against Miguel Barrera and lost via unanimous decision in the 12-round strawweight fight, and adds an loss to his record at 21-1-1.