Most judge him based on what happened during the late stage of his career, but he did really well for himself even without the Mayweather fights.
Two epics fights against Diego Corrales winning the rematch and defeated Golden Olympian Joel Casamayor.
https://www.youtube.com/watch?v=AGsFkCkP0Es
https://www.youtube.com/watch?v=pqg6e6-yD3c
There are also decent wins like Jorge Paez and Stevie Johnston x2.
Johnston wasn't a decent win it was an exceptional win.
Other good wins against Lazcano and Diaz.
Castillo was a top top fighter.
Castillo a quality fighter. Best Lightweight of his time.
Definitely deserves to be in the IBHOF in my opinion,
I think him, chico, popo freitas, and casamayor all have a claim to be in the HOF.
Most judge him based on what happened during the late stage of his career, but he did really well for himself even without the Mayweather fights.
Two epics fights against Diego Corrales winning the rematch and defeated Golden Olympian Joel Casamayor.
https://www.youtube.com/watch?v=AGsFkCkP0Es
https://www.youtube.com/watch?v=pqg6e6-yD3c
There are also decent wins like Jorge Paez and Stevie Johnston x2.