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
ResultRecordOpponentTypeRound, timeDateLocationNotes40Loss26–9–4 Mário MirandaKO4 (12)Mar 19, 198239Loss26–8–4 Carlos NúñezDQ9 (10)Jan 16, 198238Loss26–7–4 Il YangPTS10Dec 19, 198137Win26–6–4 Jose SantanaPTS10Aug 15, 198136Win25–6–4 Pascual PattersonMD10Jul 25, 198135Loss24–6–4 Kazuo KobayashiKO8 (15)Oct 9, 197634Win24–5–4 Yum Dong-kyunSD15Aug 1, 197633Win23–5–4 Livio NolascoTKO10 (15)Jun 12, 197632Win22–5–4 Waruinge NakayamaRTD8 (15)Apr 3, 197631Win21–5–4 Santos Luis RiveraTKO7 (10)Nov 15, 197530Win20–5–4 Luis ÁvilaUD12Aug 23, 197529Loss19–5–4 Alexis ArgüelloTKO2 (15)May 31, 197528Win19–4–4 Raul SilvaTKO10 (10)Mar 9, 197527Win18–4–4 Nestor HerreraTKO1 (?)Feb 19, 197526Win17–4–4 Renan MarotaUD10Jan 25, 197525Win16–4–4 Flipper UeharaPTS10Oct 21, 197424Draw15–4–4 Sanjo TakemoriPTS10Jun 24, 197423Win15–4–3 Jesus EstradaTKO4 (10)May 11, 197422Win14–4–3 Kid ClayPTS10Mar 2, 197421Win13–4–3 Rafael OrtegaUD12Dec 15, 197320Win12–4–3 Vicente BlancoTKO6 (10)Sep 14, 197319Loss11–4–3 Santos Luis RiveraKO1 (10)Aug 4, 197318Win11–3–3 Leonel HernandezUD10Jun 2, 197317Win10–3–3 Jose Angel HerreraSD10May 3, 197316Win9–3–3 Miguel EspinosaPTS10Nov 18, 197215Win8–3–3 Enrique AlonsoKO4 (12)Oct 28, 197214Win7–3–3 Alberto HerreraTKO5 (10)Aug 18, 197213Loss6–3–3 Enrique AlonsoUD10Apr 29, 197212Loss6–2–3 Jose Luis MezaUD10Jan 30, 197111Win6–1–3 Francisco AmaroTKO6 (10)Nov 24, 197010Loss5–1–3 Jorge ReyesPTS10Oct 10, 19709Win5–0–3 Humberto ArboledaTKO3 (6)May 24, 19708Win4–0–3 Carlos MendozaKO6 (6)Dec 13, 19697Draw3–0–3 Enrique WarrenPTS6Oct 5, 19696NC3–0–2 Catalino AlvaradoNC4 (6)Aug 10, 19695Win3–0–2Manuel JimenezUD4Mar 2, 19694Draw2–0–2Manuel JimenezPTS4Feb 9, 19693Win2–0–1Manuel JimenezKO1 (4)Dec 15, 19682Win1–0–1Santos PenaUD4Nov 30, 19681Draw0–0–1Carlos MendozaPTS4Aug 25, 1968
Death Riasco died on August 22, 2022, at the age of 69.
See also Lineal championship List of world super-bantamweight boxing champions
References
External links
Rigoberto Riasco profile at Cyber Boxing Zone