On September 24, 2011, a 24-year-old Mario Alberto Lozano (20-3, 17 KOs) and Ivan Pereyra met in the ring for the 2nd time, in a welterweight bout.
Lozano came in to the fight on a 1-fight losing streak with a 73% KO rate, and was fighting after a gap of 2 months and 15 days.
In the rematch, Mario Alberto Lozano stopped Ivan Pereyra via TKO in the 2nd round. Lozano improves his record to 21-3 (18 KOs)
On July 2, 2009, a 22-year-old Mario Alberto Lozano (10-1, 8 KOs) and Miguel Angel Galindo met in the ring for the 2nd time,.
Lozano came in to the fight on a 2-fight win streak with a 72% KO rate, and was fighting after a gap of 1 day.
In the rematch, Mario Alberto Lozano stopped Miguel Angel Galindo via KO in the 3rd round. Lozano improves his record to 11-1 (9 KOs)
On October 20, 2012, a 25-year-old Mario Alberto Lozano (25-3, 21 KOs) and a 26-year-old fellow Mexican boxer Ramon Alvarez (14-3-2, 7 KOs) met in the ring in a welterweight bout.
Lozano came in to the fight on a 5-fight win streak with a 75% KO rate, and was fighting after a gap of 2 months and 22 days. Álvarez was on a 5-fight win streak with a 36% KO rate, and fighting after a layoff of 3 months and 27 days.
Mario Alberto Lozano defeated Ramon Alvarez via unanimous decision in the 12-round welterweight fight. Lozano improves his record to 26-3, while Álvarez adds a loss to his record at 14-4-2.
On May 14, 2011, a 23-year-old Mario Alberto Lozano (19-2, 16 KOs) and Alejandro Pena met in the ring.
Lozano came in to the fight on a 8-fight win streak with a 76% KO rate, and was fighting after a gap of 1 month and 26 days.
Mario Alberto Lozano stopped Alejandro Pena via TKO in the 1st round. Lozano improves his record to 20-2 (17 KOs)
On December 17, 2010, a 23-year-old Mario Alberto Lozano (17-2, 14 KOs) and Daniel Molina met in the ring.
Lozano came in to the fight on a 6-fight win streak with a 73% KO rate, and was fighting after a gap of 1 month and 17 days.
Mario Alberto Lozano stopped Daniel Molina via TKO in the 1st round. Lozano improves his record to 18-2 (15 KOs)
On April 17, 2008, a 20-year-old Mario Alberto Lozano (2-0, 1 KO) and Cesar Figueroa met in the ring.
Lozano came in to the fight on a 2-fight win streak with a 50% KO rate, and was fighting after a gap of 2 years and 2 months.
Mario Alberto Lozano stopped Cesar Figueroa via KO in the 1st round. Lozano improves his record to 3-0 (2 KOs)
On August 18, 2018, a 31-year-old Mario Alberto Lozano (32-8, 23 KOs) and Saul Roman met in the ring in a middleweight bout.
Lozano came in to the fight on a 3-fight win streak with a 57% KO rate, and was fighting after a gap of 5 months and 8 days.
Mario Alberto Lozano stopped Saul Roman via RTD in the 9th round. Lozano improves his record to 33-8 (24 KOs)
On February 6, 2010, a 22-year-old Mario Alberto Lozano (12-2, 10 KOs) and Fernando Vela met in the ring.
Lozano came in to the fight on a 1-fight win streak with a 71% KO rate, and was fighting after a gap of 3 months and 7 days.
Mario Alberto Lozano stopped Fernando Vela via TKO in the 3rd round. Lozano improves his record to 13-2 (11 KOs)
On July 28, 2012, a 25-year-old Mario Alberto Lozano (24-3, 20 KOs) and Francisco Javier Reza met in the ring.
Lozano came in to the fight on a 4-fight win streak with a 74% KO rate, and was fighting after a gap of 1 month and 19 days.
Mario Alberto Lozano stopped Francisco Javier Reza via TKO in the 5th round. Lozano improves his record to 25-3 (21 KOs)
On June 9, 2012, a 25-year-old Mario Alberto Lozano (23-3, 19 KOs) and Joel Juarez Cota met in the ring.
Lozano came in to the fight on a 3-fight win streak with a 73% KO rate, and was fighting after a gap of 3 months and 6 days.
Mario Alberto Lozano stopped Joel Juarez Cota via TKO in the 4th round. Lozano improves his record to 24-3 (20 KOs)