Saturday Boxing trivia

[Mars_ax]

Who holds the record for " Most First Round Knockouts" in his career?

Who holds the record for the most Knockouts during their career?

Which French boxer started his career as a Flyweight and finished it as a Heavyweight, fighting in every division boxing has to offer?

What Light-Heavyweight Champion owns the record for consecutive successful defenses?

What Welterweight Champion owns the record for consecutive successful defenses?

Which was the first fight to be broadcast over the radio? Who were the 2 fighters?

Good luck.