Full name
Eudibiel Guillen Chapin

Date of birth
September 29, 1944

Debut
On January 18, 1974, in Monterrey, he defeated Tony López by decision.

Won The World Title
On September 15, 1972, at the Memorial Coliseum in Los Angeles, he defeated Armando"Mando"Ramos by knockout in eight and won the WBC lightweight world championship.

Lost His Title
On November 10, 1972, in Los Angeles, the real Rodolfo “Gato” González knocked him out in 12 rounds, when world title fights were 15 rounds.

Withdrawal
On December 20, 1979, in his native Acapulco, Guerrero, he defeated Francisco Candela by knockout in two rounds.