Career
He bats left-handed and throws right-handed. While attending Dongsung High School in Gwangju, Choi was considered one of the best second basemen in the Korean high school baseball league. In the tourney, he batted.353 (6-for-17), playing in all 5 games as a starting second baseman.
Notable international careers
After graduation from high school, Choi was selected by the Doosan Bears with the 50th overall pick of the 2006 KBO Draft.
Choi played only four games in 2006 and three games in 2007 spending the majority of the campaign with the Bears" second-tier team In 2008, he played in a career-high 16 games and had 4 hits and 6 Reserve Bank of India. In 2009, Choi appeared in only nine games for the Bears, collecting no hits in ten at-bats.
After the 2009 season, Choi temporarily left the Bears to serve a two-year mandatory military commitment.