The current longest reigning titleholder is Omar Andres Narvaez. He's the WBO world flyweight champion and has had it for more than 7½ years.
The runner-up is the WBA super world featherweight champion Chris John. He's had his title for about 6 years.
Bet you didn't know this.
The runner-up is the WBA super world featherweight champion Chris John. He's had his title for about 6 years.
Bet you didn't know this.
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