While attending Gwangju Jaeil High School, Lee was considered one of the top high school hitting pitchers, batting fourth in the team's batting order and pitching No.1 in the starting rotation.
In November 1993 Lee was selected as a member of the South Korea junior national baseball team along with Cho In-Sung and competed in the friendly baseball series against the Japanese regional high school all-star teams.
Lee helped Team Korea sweep the six-game series as a starting pitcher and first baseman.
He finished with a .276 batting average, 16 home runs and 55 RBI playing in 107 games as a first baseman.
Lee won his second Korean Series in 2007 as the Wyverns defeated the Doosan Bears in six games.
The 2013 KBO Expansion Draft for the newly founded NC Dinos was held after the 2012 season.