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|   | Yo-Sam CHOI 
Male
 Light-Flyweight, South Korea, Seoul
 Born: March 1, 1972, Jeongeup, South Korea
 Died: January 2, 2008, Seoul, South Korea
 (Yo-Sam Choi passed away due to a unrealised brain injury)
 Height: 5ft 4in, mt 1,63
 
 Choi donated his organs and saved 6 people's life.
 South Korean government awarded him a medal of honor.
 
 
 
 
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| No amateur resultsProfessional record| Date | Opponent | Place | Result |  | 1993 |  | + July 3 | Tae-Kil Lee | Seoul, South Korea | W 4 |  | + Sept. 25 | Chul-Ho Chin | Daejeon, South Korea | W 4 |  | + Nov. 13 | Sang-Chul Lee | Donghae City, South Korea | KO 1 |  | 1994 |  | + Jan. 10 | Heung-Won Lee | Seoul, South Korea | W 6 |  | + Jan. 14 | Sang-Soo Kim | Seoul, South Korea | W 6 |  | + Jan. 17 | Sang-Chul Lee | Seoul, South Korea | W 6 |  | + Oct. 22 |  | Busan, South Korea | W 8 |  | 1995 |  | + Jan. 15 | Bert Batawang | Jeongeup, South Korea | W 10 |  | + May 21 | Bruce Espectacion | Chuncheon, South Korea | KO 4 |  | + July 30 | Jun Arlos | Seoul, South Korea | W 10 |  | + Sept. 23 | Woo-Hee Jang | Seoul, South Korea | KO 7 |  | - Nov. 24 | Sang-Ik Yang | Ansan City, South Korea | L 10 |  | South Korean Light Flyweight Title |  | 1996 |  | + Mar. 7 | Bong-Jae Baek | Suwon City, South Korea | KO 2 |  | + June 2 | Allan Llanita | Seongnam City, South Korea | KO 5 |  | + Dec. 3 | Kenzo Ando | Osaka, Japan | W 12 |  | vacant OPBF Light Flyweight Title |  | 1997 |  | + Mar. 15 | Allan Llanita | Yeuchul, South Korea | KO 5 |  | OPBF Light Flyweight Title |  | + May 25 | Nathan Ballerda | Gwangju City, South Korea | KO 4 |  | 1998 |  | + Apr. 10 | Jun Arlos | Cheonan, South Korea | W 12 |  | OPBF Light Flyweight Title |  | + Aug. 27 | Regie Palabrica | Seongnam City, South Korea | KO 2 |  | OPBF Light Flyweight Title |  | 1999 |  | + May 10 | Rolando Baclayo | Suwon City, South Korea | KO 1 |  | + July 6 | Martin Acevedo | Busan, South Korea | TKO 5 |  | + Oct. 17 | Saman Sorjaturong | Seoul, South Korea | W 12 |  | WBC Light Flyweight Title |  | 2000 |  | + June 17 | Chart Kiatpetch | Seoul, South Korea | KO 5 |  | WBC Light Flyweight Title |  | 2001 |  | + Jan. 30 | Saman Sorjaturong | Seoul, South Korea | KO 7 |  | WBC Light Flyweight Title |  | 2002 |  | + Feb. 23 | Shingo Yamaguchi | Urayasu, Japan | TKO 10 |  | WBC Light Flyweight Title |  | - July 6 | Jorge Arce | Seoul, South Korea | TKO by 6 |  | WBC Light Flyweight Title |  | 2003 |  | + May 30 | Jae-Ho Kim | Seoul, South Korea | KO 4 |  | + Sept. 27 | Jin-Ho Kim | Seoul, South Korea | KO 4 |  | - Nov. 15 | Beibis Mendoza | Yeosu, South Korea | L 12 |  | vacant WBA interim Light Flyweight Title |  | 2004 |  | - Mar. 27 | Federico Catubay | Seoul, South Korea | L 10 |  | - Sept. 9 | Lorenzo  Parra | Seoul, South Korea | L 12 |  | WBA Flyweight Title |  | 2005 |  | + June 17 | Nopadetchlek Chuwatana | Bucheon, South Korea | KO 5 |  | 2006 |  | + Dec. 30 | Nopadetchlek Chuwatana | Seoul, South Korea | KO 1 |  | 2007 |  | + Mar. 4 | Pradabsri Siwagon | Seoul, South Korea | KO 1 |  | + May 24 | Kenichi Onishi | Seoul, South Korea | KO 9 |  | + Sept. 16 | Terdkiat Jandaeng | Seoul, South Korea | W 12 |  | vacant WBO Inter-Continental Flyweight Title |  | + Dec. 25 | Heri Amol | Seoul, South Korea | W 12 |  | WBO Inter-Continental Flyweight Title | 
   SummaryTotal bouts: 37, Won: 32 (19 inside the limit), Lost: 5 (1 inside the limit), Draw: 0, NC: 0 |