About Rigoberto Riasco
Lived 1953 – 2022 (aged 69). Rigoberto Riasco was a Panamanian boxer.
Rigoberto Riasco (11 January 1953 – 29 August 2022) also known as "Little Poison", was a Panamanian professional boxer who competed from 1968 to 1982. He was the Lineal and WBC Super bantamweight champion in 1976. Riasco defeated such men as Dong Kyun Yum, Leonel Hernández, Rafael Ortega, Waruinge Nakayama, Luis Ávila, Santos Luis Rivera, Seiji "Flipper" Uehara, and Sanjo Takemori.
Professional boxing career Riasco made his professional debut on 25 August 1968 with a four-round draw with Carlos Mendoza and after winning the featherweight national championship, he fought Alexis Argüello, who defeated him with a second round technical knockout.
After his defeat, he defeated previously unbeaten Luis Ávila and Puerto Rican Santos Luis Rivera, who had knocked him out in the first round in Puerto Rico. Those victories earned him the chance to fight for the newly created WBC championship belt.
On 3 April 1976, Riasco defeated Kenyan Waruinge Nakayama for the WBC and Lineal Super bantamweight titles. He made two successful defenses against Livio Nolasco and Dong Kyun Yum before losing his belt in his third defense against Japanese Royal Kobayashi in Tokyo on October 9, 1976.
He announced his retirement in 1981, but returned later. After three consecutive defeats, Riasco officially announced his retirement in 1982. He left with a record of 29 wins with 13 KOs, 9 losses, and 4 draws.
Professional boxing record
Death Riasco died on August 22, 2022, at the age of 69.
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Important facts
People in Rigoberto Riasco's life
Named in this biography and alive at the same time
Contemporaries
People whose lives overlapped Rigoberto Riasco's
Frequently asked questions
Who was Rigoberto Riasco?
Panamanian boxer
When was Rigoberto Riasco born?
Rigoberto Riasco was born on 11 January 1953 in Panama City.
When did Rigoberto Riasco die?
Rigoberto Riasco died on 28 August 2022 in Panama City.
What was Rigoberto Riasco's occupation?
Rigoberto Riasco was a boxer.
What nationality was Rigoberto Riasco?
Rigoberto Riasco was Panamanian.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Rigoberto Riasco. https://biography.guide/rigoberto-riasco/
MLA: "Rigoberto Riasco." Biography.guide, https://biography.guide/rigoberto-riasco/.
Chicago: "Rigoberto Riasco." Biography.guide. https://biography.guide/rigoberto-riasco/.
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