In 1984, the Giants won their first Korean Series title in the third season after the KBO League was launched. They beat the Samsung Lions 4–3 in the Korean Series. They were led by Choi Dong-won, one of the most dominant pitchers in the Korea Professional Baseball league, who finished the 1984 season with 27 wins, 223 strikeouts, and a 2.40 ERA and won the regular season MVP Award. In the 1984 Korean Series, he appeared in five out of seven games, had a 4–1 record (one shutout, three complete games, and one five-inning relief appearance), and pitched 40 innings in ten days.