Jonas Warrior of Light de Andrade died at a local hospital in
Piauí, Brazil, on Sunday from a skull injury sustained during a clandestine boxing match
The 34-year-old participated in one of five fights held at a gym in Teresina, Piauí, Saturday evening and was knocked down twice
Following the second, the referee called the fight but de Andrade collapsed as he was about to be escorted to the ring
De Andrade was taken to Buenos Aires Hospital where he went into cardiac arrest early Sunday