Yoshio Shirai

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Yoshio Shirai
Yoshio Shirai and Dado Marino (02) wmplayer 2013-07-10.jpg
Dado Marino (on the left) and Shirai
after their third fight in May 1952
Real name Yoshio Shirai
Rated at Flyweight
Nationality Japan Japanese
Born (1923-11-23)November 23, 1923
Tokyo, Japan
Died December 26, 2003(2003-12-26) (aged 80)
Stance Orthodox
Boxing record
Total fights 58
Wins 46
Wins by KO 18
Losses 8
Draws 4
No contests 0

Yoshio Shirai (白井 義男, November 23, 1923 – December 26, 2003) was a professional boxer from Tokyo, Japan. He won the world flyweight title in 1952, becoming the first Japanese boxer to win a world title.

Childhood and Early Career[edit]

Shirai first boxed in elementary school, during a mock match-up against a kangaroo at a local carnival. He became interested in boxing afterwards, and made his professional debut in 1943, during World War II. He won his first eight professional fights before being drafted to join the Imperial Japanese Navy. After being released in 1945, he returned to boxing, but was almost forced into retirement because of injuries he had sustained during the war. However, he met Alvin Rober Cahn, a Jewish-American SCAP employee, who became his trainer and manager. Shirai's boxing skills improved dramatically under Cahn's guidance, and the two formed a close bond.

Shirai fought with the aggressive boxing style typical of the Japanese boxers of the time, but made a change to a more technical, defensive style under the guidance of his new trainer. Cahn made Shirai live in his house, and supervised everything from his health and training to his meals. Cahn began to suffer from dementia in his old age, and it was Shirai's family that took care of him. Cahn had no children when he died, and left Shirai with his entire fortune.

Professional career[edit]

Shirai won his first fight after teaming with Cahn on July 30, 1948, and won the Japanese flyweight title in 1949. He also won the Japanese bantamweight title the same year, and held both titles for over 3 years, making 5 total defenses.

He fought flyweight world champion Dado Marino on May 21, 1951, in a non-title match. Shirai lost by split decision but fought Marino again in December, 1951, to mark a 7th round KO win. On May 19, 1952, he met Marino for the third time for the world flyweight title. Shirai won by 15 round decision, becoming the new world champion, and first ever Japanese boxer to win a world title.[1]

Shirai made four defenses of the world title before losing his title to Pascual Perez in November, 1954 by unanimous decision. He fought Perez again in May, 1955, but lost decisively by KO in the 5th round. He announced his retirement after this loss. His professional record was 48-8-2 (20KOs).

Post Retirement[edit]

Shirai worked as a boxing commentator and critic before creating a sports gym in 1995 with former world champion Yoko Gushiken. He received an award from the Japanese government in 1995 for his efforts in boxing. He was inducted into the Ring Magazine hall of fame in 1977.


Shirai died from pneumonia on December 26, 2003. He was 80 years old.

See also[edit]


  1. ^ "Yoshio Shirai, 80; Japanese Boxing Champion". Los Angeles Times. December 31, 2003. 

External links[edit]

Preceded by
Dado Marino
World flyweight champion
May 19, 1952 - May 30, 1955
Succeeded by
Pascual Perez