On November 20, 2015, a 44-year-old Luis Alberto Lazarte (52-11-2, 18 KOs) and Miguel Gonzalez met in the ring in a super-flyweight bout.
Lazarte came in to the fight on a 3-fight win streak with a 27% KO rate, and was fighting after a gap of 8 months and 13 days.
Luis Alberto Lazarte lost to Miguel Gonzalez via unanimous decision in the 11-round super-flyweight fight, and adds a loss to his record at 52-12-2.
On February 10, 2012, a 40-year-old Luis Alberto Lazarte (49-10-2, 18 KOs) and a 22-year-old Filipino boxer John Riel Casimero (15-2, 9 KOs) met in the ring in a light-flyweight bout.
Lazarte came in to the fight on a 1-fight win streak with a 29% KO rate, and was fighting after a gap of 5 months and 8 days. Casimero was on a 1-fight win streak with a 52% KO rate, and fighting after a layoff of 3 months and 26 days.
John Riel Casimero stopped Luis Alberto Lazarte via TKO in the 10th round. Casimero improves his record to 16-2 (10 KOs), while Lazarte adds a loss to his record at 49-11-2.
On April 30, 2011, Luis Alberto Lazarte and Ulises Solís met again in an immediate rematch.
Lazarte came in to the fight after a draw in his last fight with a 30% KO rate, and was fighting after a gap of 4 months and 12 days.
Luis Alberto Lazarte was defending his light-flyweight IBF titles against Ulises Solís and lost via split decision in the 12-round light-flyweight fight, and adds a loss to his record at 48-10-2.
On September 26, 2008, a 37-year-old Luis Alberto Lazarte (40-8-1, 17 KOs) and Daniel Reyes met in the ring in a strawweight bout.
Lazarte came in to the fight on a 3-fight win streak with a 34% KO rate, and was fighting after a gap of 3 months and 20 days.
Luis Alberto Lazarte lost to Daniel Reyes via majority decision in the 12-round strawweight fight, and adds a loss to his record at 40-9-1.
On July 28, 2007, a 36-year-old Luis Alberto Lazarte (37-7-1, 17 KOs) got a shot at the light-flyweight WBC title held by 27-year-old Mexican boxer Édgar Sosa (27-5, 14 KOs).
Lazarte came in to the fight on a 17-fight win streak with a 37% KO rate, and was fighting after a gap of 2 months and 2 days. Sosa was on a 15-fight win streak with a 43% KO rate, and fighting after a layoff of 3 months and 14 days.
Édgar Sosa defeated Luis Alberto Lazarte via disqualification and successfully defended his WBC light-flyweight title. Sosa improves his record to 28-5, while Lazarte adds a loss to his record at 37-8-1.
On February 20, 2003, a 31-year-old Luis Alberto Lazarte (20-6-1, 8 KOs) and Giuseppe Lagana met in the ring in a flyweight bout.
Lazarte came in to the fight on a 1-fight losing streak with a 29% KO rate, and was fighting after a gap of 5 months and 7 days.
Luis Alberto Lazarte lost to Giuseppe Lagana via split decision in the 12-round flyweight fight, and adds a loss to his record at 20-7-1.
On September 13, 2002, a 31-year-old Luis Alberto Lazarte (20-5-1, 8 KOs) got a shot at the flyweight WBO title held by 26-year-old fellow Argentinian boxer Omar Narváez (11-0-1, 7 KOs).
Lazarte came in to the fight on a 1-fight win streak with a 30% KO rate, and was fighting after a gap of -1 years, -3 months, and -28 days. Narvaez was on a 7-fight win streak with a 58% KO rate, and fighting after a layoff of 2 months.
Omar Narvaez defeated Luis Alberto Lazarte via disqualification and successfully defended his WBO flyweight title. Narvaez improves his record to 12-0-1, while Lazarte adds a loss to his record at 20-6-1.
On December 6, 2001, a 30-year-old Luis Alberto Lazarte (19-4-1, 8 KOs) got a shot at the flyweight WBC title held by 24-year-old Thai boxer Pongsaklek Wonjongkam (42-2, 23 KOs).
Lazarte came in to the fight after a draw in his last fight with a 33% KO rate, and was fighting after a gap of 3 months and 19 days. Wonjongkam was on a 33-fight win streak with a 52% KO rate, and fighting after a layoff of 1 month and 10 days.
Pongsaklek Wonjongkam made very easy work of Luis Alberto Lazarte, stopping the challenger via TKO in the 2nd. Wonjongkam improves his record to 43-2 (24 KOs), while Lazarte adds a loss to his record at 19-5-1.
On June 30, 2001, a 30-year-old Luis Alberto Lazarte (19-3, 8 KOs) and Marcos Antonio Obregón met in the ring in a light-flyweight bout.
Lazarte came in to the fight on a 1-fight losing streak with a 36% KO rate, and was fighting after a gap of 2 months and 16 days.
Luis Alberto Lazarte lost to Marcos Antonio Obregón via split decision in the 10-round light-flyweight fight, and adds a loss to his record at 19-4.
On April 14, 2001, a 30-year-old Luis Alberto Lazarte (19-2, 8 KOs) and Horacio Fabián Chicagual met in the ring.
Lazarte came in to the fight on a 1-fight win streak with a 38% KO rate, and was fighting after a gap of 1 year, 1 month, and 3 days.
Luis Alberto Lazarte lost to Horacio Fabián Chicagual via disqualification in the 10-round fight, and adds a loss to his record at 19-3.
On October 30, 1999, a 28-year-old Luis Alberto Lazarte (18-1, 8 KOs) got a shot at the strawweight WBO title held by Kermin Guardia.
Lazarte came in to the fight on a 9-fight win streak with a 42% KO rate, and was fighting after a gap of 1 month and 5 days.
Luis Alberto Lazarte was defending his strawweight titles and, fighting for the strawweight WBO titles against Kermin Guardia and lost via split decision in the 12-round strawweight fight, and adds a loss to his record at 18-2.
On January 16, 1998, a 26-year-old Luis Alberto Lazarte (9-0, 2 KOs) and Marcelo Antonio Davila met in the ring.
Lazarte came in to the fight on a 9-fight win streak with a 22% KO rate, and was fighting after a gap of 1 month and 25 days.
Luis Alberto Lazarte lost to Marcelo Antonio Davila via disqualification in the 8-round fight, and adds a loss to his record at 9-1.