Verbal jabs were thrown during the Jake Paul vs Julio César Chávez Jr. press conference ... but it wasn't between the two combatants -- but rather Paul and and his opponent's dad.
The two jawed at each other after event moderator Chris Mannix asked the 62-year-old how he believes the bout will go down between his son and El Gallo.
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"He's never faced a fighter like my son," the boxing great said. "With all due respect, fighting Mike Tyson, I think I would have given him a better fight.