Dong-jin Jeong (정동진)
Dong-jin Jeong was a coach and manager in the Korea Baseball Organization and has been a baseball commentator. He guided the Samsung Lions from 1989 to 1991 and the Taepyungyang Dolphins from 1992 to 1995. He took the Dolphins to the 1994 Korean Series, where they fell to the LG Twins.
Source: Korean wikipedia entry
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