Mario Alberto Lozano has 11 losses against 11 opponents on his boxing record. For a list of Lozano's best fights, refer to "Best fights of Mario Alberto Lozano".
On February 18, 2023 Mario Alberto Lozano faced off against Shane Mosley Jr. in a super-middleweight bout at age 35. He was coming in with a record of 33-11 (24), and Mosley Jr. was 31 years old and with a record of 18-4 (10). Lozano lost the fight via 10-round unanimous decision.
On August 24, 2019 Mario Alberto Lozano faced off against Liam Smith at age 32. He was coming in with a record of 33-10 (24), and Smith was 31 years old and with a record of 27-2-1 (15). Lozano lost the fight via 7th-round TKO.
On April 13, 2019 Mario Alberto Lozano faced off against Patrick Teixeira in a super-welterweight bout at age 31. He was coming in with a record of 33-9 (24), and Teixeira was 28 years old and with a record of 29-1 (22). Lozano lost the fight via 10-round majority decision.
On November 14, 2015 Mario Alberto Lozano faced off against Gustavo Garibay at age 28. He was coming in with a record of 29-8 (23). Lozano lost the fight via 6-round points decision.
On December 13, 2014 Mario Alberto Lozano faced off against Jermell Charlo at age 27. He was coming in with a record of 29-7 (23). Lozano lost the fight via 10-round unanimous decision.
On March 21, 2014 Mario Alberto Lozano faced off against Vanes Martirosyan in a super-welterweight bout at age 26. He was coming in with a record of 29-6 (23), and Martirosyan was 27 years old and with a record of 33-1-1 (21). Lozano lost the fight via 10-round unanimous decision.
On November 7, 2013 Mario Alberto Lozano faced off against Charles Hatley in a super-welterweight bout at age 26. He was coming in with a record of 29-5 (23). Lozano lost the fight via 12-round unanimous decision.
On August 31, 2013 Mario Alberto Lozano faced off against Alejandro Gomez at age 26. He was coming in with a record of 28-4 (22). Lozano lost the fight via 4th-round TKO.
On July 9, 2011 Mario Alberto Lozano faced off against Ivan Pereyra at age 24. He was coming in with a record of 20-3 (17). Lozano lost the fight via 12-round unanimous decision.
On September 12, 2009 Mario Alberto Lozano faced off against Ruben Amezcua at age 22. He was coming in with a record of 11-2 (9). Lozano lost the fight via 4-round unanimous decision.
On March 7, 2009 Mario Alberto Lozano faced off against Karim Mayfield at age 21. He was coming in with a record of 8-1 (6). Lozano lost the fight via 6-round unanimous decision.