On June 16, 2000, a 25-year-old Juan Lazcano (22-2-1, 16 KOs) and a 39-year-old Puerto Rican boxer Wilfredo Vazquez (52-8-2, 38 KOs) met in the ring in a lightweight bout.
Lazcano came in to the fight on a 8-fight win streak with a 64% KO rate, and was fighting after a gap of 1 month and 15 days. Vázquez was on a 2-fight win streak with a 61% KO rate, and fighting after a layoff of 2 months and 1 day.
Juan Lazcano stopped Wilfredo Vazquez via TKO in the 9th round. Lazcano improves his record to 23-2-1 (17 KOs), while Vázquez adds a loss to his record at 52-9-2.
On February 20, 1997, a 21-year-old Juan Lazcano (12-1-1, 8 KOs) and Daniel Lujan met in the ring for the 2nd time, in a lightweight bout.
Lazcano came in to the fight after a draw in his last fight with a 57% KO rate, and was fighting after a gap of 2 months and 1 day.
In the rematch, Juan Lazcano stopped Daniel Lujan via KO in the 4th round. Lazcano improves his record to 13-1-1 (9 KOs)
On May 5, 2001, a 26-year-old Juan Lazcano (26-2-1, 19 KOs) and a 36-year-old Puerto Rican boxer John John Molina (52-6, 33 KOs) met in the ring in a lightweight bout.
Lazcano came in to the fight on a 12-fight win streak with a 65% KO rate, and was fighting after a gap of 3 months and 16 days. Molina was on a 7-fight win streak with a 56% KO rate, and fighting after a layoff of 5 months and 24 days.
Juan Lazcano stopped John John Molina via TKO in the 11th round. Lazcano improves his record to 27-2-1 (20 KOs), while Molina adds a loss to his record at 52-7.
On July 19, 2002, a 27-year-old Juan Lazcano (29-2-1, 22 KOs) and Benito Rodriguez met in the ring in a lightweight bout.
Lazcano came in to the fight on a 15-fight win streak with a 68% KO rate, and was fighting after a gap of 4 months and 11 days.
Juan Lazcano stopped Benito Rodriguez via TKO in the 5th round. Lazcano improves his record to 30-2-1 (23 KOs)
On September 1, 2001, a 26-year-old Juan Lazcano (27-2-1, 20 KOs) and Julio Alvarez met in the ring in a lightweight bout.
Lazcano came in to the fight on a 13-fight win streak with a 66% KO rate, and was fighting after a gap of 3 months and 27 days.
Juan Lazcano stopped Julio Alvarez via KO in the 4th round. Lazcano improves his record to 28-2-1 (21 KOs)
On September 20, 2002, a 27-year-old Juan Lazcano (30-2-1, 23 KOs) and David Armstrong met in the ring in a lightweight bout.
Lazcano came in to the fight on a 16-fight win streak with a 69% KO rate, and was fighting after a gap of 2 months and 1 day.
Juan Lazcano stopped David Armstrong via TKO in the 6th round. Lazcano improves his record to 31-2-1 (24 KOs)
On June 5, 2004, a 29-year-old Juan Lazcano (33-2-1, 25 KOs) got a shot at the lightweight WBC title held by 30-year-old fellow Mexican boxer Jose Luis Castillo (49-6-1, 45 KOs).
Lazcano came in to the fight on a 19-fight win streak with a 69% KO rate, and was fighting after a gap of 8 months and 23 days. Castillo was on a 3-fight win streak with a 80% KO rate, and fighting after a layoff of 3 months and 23 days.
José Luis Castillo defeated Juan Lazcano via unanimous decision and wins the WBC and The Ring titles. Castillo improves his record to 50-6-1, while Lazcano adds a loss to his record at 33-3-1.
On October 27, 2000, a 25-year-old Juan Lazcano (24-2-1, 17 KOs) and Dorin Spivey met in the ring in a lightweight bout.
Lazcano came in to the fight on a 10-fight win streak with a 63% KO rate, and was fighting after a gap of 2 months and 22 days.
Juan Lazcano stopped Dorin Spivey via TKO in the 8th round. Lazcano improves his record to 25-2-1 (18 KOs)
On December 4, 1999, a 24-year-old Juan Lazcano (19-2-1, 14 KOs) and Mark Fernandez met in the ring.
Lazcano came in to the fight on a 5-fight win streak with a 63% KO rate, and was fighting after a gap of 1 month and 22 days.
Juan Lazcano stopped Mark Fernandez via TKO in the 1st round. Lazcano improves his record to 20-2-1 (15 KOs)
On August 19, 2005, a 30-year-old Juan Lazcano (33-3-1, 25 KOs) and Marco Angel Perez met in the ring.
Lazcano came in to the fight on a 1-fight losing streak with a 67% KO rate, and was fighting after a gap of 1 year, 2 months, and 14 days.
Juan Lazcano stopped Marco Angel Perez via KO in the 1st round. Lazcano improves his record to 34-3-1 (26 KOs)