After making his debut in 1992, Carbajal won 14 of his first 17 fights. He suffered six consecutive losses mid-way through his career, including decisions to future world champions
Johnny Bredahl,
Lehlohonolo Ledwaba and
Néstor Garza, and knockout losses to
Samson Dutch Boy Gym and
Julio Ceja.
WBO bantamweight title Carbajal captured the
WBO bantamweight title from Mauricio Martinez in March 2002. He made two successful defences of the title, against
Danny Romero and
Gerardo Espinoza, before losing it to
Ratanachai Sor Vorapin. ==Professional boxing record==