Here is a list of Lozano's best fights. For a list of Lozano's losses, refer to "Mario Alberto Lozano Losses".
On October 20, 2012 Mario Alberto Lozano faced off against Ramon Alvarez in a welterweight bout at age 25. He was coming in with a record of 26-3 (21), and Alvarez was 26 years old and with a record of 14-3-2 (7). Lozano won the fight via 12-round unanimous decision.
On September 24, 2011 Mario Alberto Lozano faced off against Ivan Pereyra in a welterweight bout at age 24. He was coming in with a record of 21-3 (18). Lozano stopped Ivan Pereyra via TKO.