he has an offical fight but i bet most of his fights are not official.
canelos offical record is 53-1 but in reality it is 63-1
The reason why you dont see many Boxers switch to kickboxing is Money: A bum Level boxer makes more Money than a semi good Level kickboxer.
casual.
He went pro as a kickboxer at 18 or 19 years old, that sounds like a pretty much life long kickboxer to me.
I'm sure he trained boxing as a kid but that doesn't make him a 'failed' boxer.
If he was like 13-9 in boxing, then switched to kickboxing, then yeah, you could call him a 'failed boxer.'