On June 9, 2018, Abner Mares and Léo Santa Cruz met again in a rematch.
Mares came in to the fight on a 2-fight win streak with a 44% KO rate, and was fighting after a gap of 7 months and 26 days. Cruz was on a 2-fight win streak with a 52% KO rate, and fighting after a layoff of 7 months and 26 days.
Léo Santa Cruz defeated Abner Mares via unanimous decision in the rematch and successfully defended his WBA (Super) featherweight title. Cruz improves his record to 35-1-1, while Mares adds a loss to his record at 31-3-1.
On August 29, 2015, 29-year-old Abner Mares (29-1-1, 15 KOs) and 27-year-old Léo Santa Cruz (30-0-1, 17 KOs) fought for the vacant WBA (Super) featherweight title.
Mares came in to the fight on a 3-fight win streak with a 48% KO rate, and was fighting after a gap of 5 months and 22 days. Cruz was on a 29-fight win streak with a 54% KO rate, and fighting after a layoff of 3 months and 27 days.
Léo Santa Cruz defeated Abner Mares via majority decision . Cruz improves his record to 31-0-1, while Mares adds a loss to his record at 29-2-1.
On August 24, 2013, the 27-year-old WBC featherweight world champion, Abner Mares (26-0-1, 14 KOs), faced a 31-year-old fellow Mexican boxer Jhonny González (54-8, 46 KOs), in a title defense fight.
Mares came in to the fight on a 6-fight win streak with a 51% KO rate, and was fighting after a gap of 3 months and 20 days. González was on a 2-fight win streak with a 74% KO rate, and fighting after a layoff of 3 months and 28 days.
Jhonny González made quick work of Abner Mares, stopping the champion via KO in the 1st. González improves his record to 55-8 (47 KOs), while Mares adds a loss to his record at 26-1-1.