Career
He bats left-handed and throws right-handed. Back was first called up to the South Korean collegiate national team as a junior at Dankook University in 2008 when he batted.403 in the national collegiate league. With South of Korea, he competed in the IBAF World University Baseball Championship held in Czechoslovakian Republic.
Back batted.286 and drove in 3 runs and stole 2 bases, playing as a starting second baseman.
He went 2-for-3, including a Reserve Bank of India double, off "Handkerchief Prince" Yuki Saito in the team"s semifinal against Japan. As a senior in 2009, Back was selected for the South Korean national team again and participated in the Asian Baseball Championship held in Sapporo, Japan.
Notable international careers
After graduation from Dankook University, Back was drafted in the 2010 KBO Entry Draft by the Samsung Lions as the 4th pick of the 4th round, 28th overall. In the 2010 Futures League, Back was ranked first in batting average with.306, playing in 106 games.
However, Back spent his entire 2010 season in the Lions" second-tier team
After the 2010 season, Back joined the of Korea Armed Forces Athletic Corps Baseball Team to serve a two-year military duty. In the tourney, he shared second base duties with Choi Joo-Hwan but struggled at the plate, batting just.154.
