Ryu Hyun-Jin played well in the Amateur League. So Ryu was selected by the Hanwha Eagles as the 1st pick in 2006. His professional league debut was on April 12, 2006 pitching against LG Twins. That day he earned his first league win. He allowed only 3 hits and no runs for 7 and 1/3 innings. He became a sensation in the league from his debut. And finished the season with 18-6, 2.23 ERA and 205 strikeouts in 201 and 2/3 innings. In his first year, he got the pitching Triple Crown, and was named both Rookie of the year and Player of the Year.