Naoko Shibata defended her IBF light flyweight title for the fourth time on Friday after drawing against seventh-ranked Mexican Maria Salinas.
The 34-year-old Shibata, who won the title in November 2013 five years after making her debut, has a record of 14-3-1 (four knockouts).
The 26-year-old Salinas is 11-4-3.
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