In 2014, he batted .298 and scored 87 runs in 118 games, and ranked second in the league with 50 steals. He claimed the KBO League Rookie of the Year Award.[2]
In 2015, he batted .304, 46 steals and scored 111 runs in 141 games.
In 2016, he batted .343, 20 steals and scored 84 runs in 121 games.
On July 16, 2021, Park was suspended the remainder of the season (72 games with 70 games left) after breaking COVID-19 social distancing rules.[3]