On February 18, 2023, a 35-year-old Mario Alberto Lozano (33-10, 24 KOs) and a 31-year-old American boxer Shane Mosley Jr. (18-4, 10 KOs) met in the ring in a super-middleweight bout.
Lozano came in to the fight on a 2-fight losing streak with a 55% KO rate, and was fighting after a gap of 3 years, 5 months, and 25 days. Mosley Jr. was on a 1-fight win streak with a 45% KO rate, and fighting after a layoff of 10 months and 9 days.
Shane Mosley Jr. defeated Mario Alberto Lozano via unanimous decision in the 10-round super-middleweight fight. Mosley Jr. improves his record to 19-4, while Lozano adds a loss to his record at 33-11.
On August 24, 2019, a 32-year-old Mario Alberto Lozano (33-9, 24 KOs) and a 31-year-old British boxer Liam Smith (27-2-1, 15 KOs) met in the ring.
Lozano came in to the fight on a 1-fight losing streak with a 57% KO rate, and was fighting after a gap of 4 months and 11 days. Smith was on a 1-fight win streak with a 50% KO rate, and fighting after a layoff of 4 months and 25 days.
Liam Smith stopped Mario Alberto Lozano via TKO in the 7th round. Smith improves his record to 28-2-1 (16 KOs), while Lozano adds a loss to his record at 33-10.
On April 13, 2019, a 31-year-old Mario Alberto Lozano (33-8, 24 KOs) and a 28-year-old Brazilian boxer Patrick Teixeira (29-1, 22 KOs) met in the ring in a super-welterweight bout.
Lozano came in to the fight on a 4-fight win streak with a 58% KO rate, and was fighting after a gap of 7 months and 26 days. Teixeira was on a 3-fight win streak with a 73% KO rate, and fighting after a layoff of 7 months and 12 days.
Patrick Teixeira defeated Mario Alberto Lozano via majority decision in the 10-round super-welterweight fight. Teixeira improves his record to 30-1, while Lozano adds a loss to his record at 33-9.
On November 14, 2015, a 28-year-old Mario Alberto Lozano (29-7, 23 KOs) and Gustavo Garibay met in the ring.
Lozano came in to the fight on a 3-fight losing streak with a 63% KO rate, and was fighting after a gap of 11 months and 1 day.
Mario Alberto Lozano lost to Gustavo Garibay via points decision in the 6-round fight, and adds an loss to his record at 29-8.
On December 13, 2014, a 27-year-old Mario Alberto Lozano (29-6, 23 KOs) and Jermell Charlo met in the ring.
Lozano came in to the fight on a 2-fight losing streak with a 65% KO rate, and was fighting after a gap of 8 months and 22 days.
Mario Alberto Lozano lost to Jermell Charlo via unanimous decision in the 10-round fight, and adds an loss to his record at 29-7.
On March 21, 2014, a 26-year-old Mario Alberto Lozano (29-5, 23 KOs) and a 27-year-old Armenian boxer Vanes Martirosyan (33-1-1, 21 KOs) met in the ring in a super-welterweight bout.
Lozano came in to the fight on a 1-fight losing streak with a 67% KO rate, and was fighting after a gap of 4 months and 14 days. Martirosyan was on a -1-fight win streak with a 60% KO rate, and fighting after a layoff of 4 months and 12 days.
Vanes Martirosyan defeated Mario Alberto Lozano via unanimous decision in the 10-round super-welterweight fight. Martirosyan improves his record to 34-1-1, while Lozano adds a loss to his record at 29-6.
On November 7, 2013, a 26-year-old Mario Alberto Lozano (29-4, 23 KOs) and Charles Hatley met in the ring in a super-welterweight bout.
Lozano came in to the fight on a 1-fight win streak with a 69% KO rate, and was fighting after a gap of 1 month and 2 days.
Mario Alberto Lozano lost to Charles Hatley via unanimous decision in the 12-round super-welterweight fight, and adds an loss to his record at 29-5.
On August 31, 2013, a 26-year-old Mario Alberto Lozano (28-3, 22 KOs) and Alejandro Gomez met in the ring.
Lozano came in to the fight on a 8-fight win streak with a 71% KO rate, and was fighting after a gap of 3 months and 13 days.
Mario Alberto Lozano lost to Alejandro Gomez via TKO in the 4th round, and adds an loss to his record at 28-4.
On July 9, 2011, a 24-year-old Mario Alberto Lozano (20-2, 17 KOs) and Ivan Pereyra met in the ring.
Lozano came in to the fight on a 9-fight win streak with a 77% KO rate, and was fighting after a gap of 1 month and 25 days.
Mario Alberto Lozano lost to Ivan Pereyra via unanimous decision in the 12-round fight, and adds an loss to his record at 20-3.
On September 12, 2009, a 22-year-old Mario Alberto Lozano (11-1, 9 KOs) and Ruben Amezcua met in the ring.
Lozano came in to the fight on a 3-fight win streak with a 75% KO rate, and was fighting after a gap of 2 months and 10 days.
Mario Alberto Lozano lost to Ruben Amezcua via unanimous decision in the 4-round fight, and adds an loss to his record at 11-2.
On March 7, 2009, a 21-year-old Mario Alberto Lozano (8-0, 6 KOs) and Karim Mayfield met in the ring.
Lozano came in to the fight on a 8-fight win streak with a 75% KO rate, and was fighting after a gap of 2 months and 16 days.
Mario Alberto Lozano lost to Karim Mayfield via unanimous decision in the 6-round fight, and adds an loss to his record at 8-1.