Koo Dae-sung

Koo Dae-Sung (Hangul: 구대성, Hanja: 具臺晟) (born August 2, 1969 in Daejeon, South Korea) is a Korean professional left-handed pitcher, currently with the Sydney Blue Sox. He formerly played for the Hanwha Eagles in the Korea Baseball Organization. He was also formerly with the New York Mets of Major League Baseball and the Orix BlueWave of Nippon Professional Baseball. He announced his retirement from Korean baseball on August 15, 2010. He currently plays for the Sydney Blue Sox in the Australian Baseball League.

Early life

Koo is a left-handed pitcher despite being born right-handed. As a child, he suffered an injury which forced him to become left-handed. He broke his right arm so badly, so he had to use his left hand. Koo attended Hanyang University.

Professional career

Hanwha Eagles

Koo began his professional career in 1993 with the Hanwha Eagles of the Korean Baseball Organization. In 1996, he won both a Gold Glove Award and the MVP of the KBO with a 1.88 ERA, 18 wins, 24 saves and 183 strikeouts in 139 innings pitched.