Here is a list of Esparza's best fights. For a list of Esparza's losses, refer to "Marlen Esparza Losses".
On April 9, 2022 Marlen Esparza, the WBC champion, met Naoko Fujioka, the WBA and The Ring champion, in a flyweight world-title unification fight. Esparza was 32 years old and with a record of 11-1 (1), and Fujioka was 46 years old and with a record of 19-2-1 (7). Esparza won the fight via 10-round unanimous decision and and is crowned the unified WBC, WBA and The Ring champion.
