The former hold king and submarine pitcher Jung Woo-young (LG Twins), whose earned run average skyrocketed to the 20s due to a terrifying number of walks, will take time for a reset in the minor leagues.

The professional baseball LG Twins excluded right-handed pitchers Jung Woo-young and Sung Dong-hyun from the first-team roster on the 23rd, when there are no games.

Jung Woo-young appeared in relief during the 8th match of the season against the Doosan Bears in the 2025 Shinhan SOL Bank KBO League on the 22nd, showing a rough performance with no innings and allowing 3 walks and 3 earned runs.

After being registered in the first team on the 13th, Jung Woo-young had struggled with an earned run average of 10.13 over 3 games and took the mound as the team's third pitcher in the top of the 8th, leading 11-1.

Regardless of the 10-point score difference, his control was shaken again. After gaining a favorable count of 1 ball and 2 strikes against the leadoff batter Kim Min-seok, he threw 3 consecutive balls, walking him. He then walked Kim Gi-yeon with just 2 pitches before allowing another walk to the pinch hitter Kim In-tae after 5 pitches, creating a bases-loaded situation.

Jung Woo-young ultimately finished the game bitterly, being replaced by Sung Dong-hyun in a bases-loaded situation with no outs. He threw 13 pitches, recording only 3 strikes.

Sung Dong-hyun, who had also struggled with an earned run average of 8.00 over his last 11 games before the match, was not much different from Jung Woo-young. He faced the first batter Kim Min-hyeok and made a wild pitch that allowed the runner Kim Min-seok on third base to score. He also walked Kim Min-hyeok, who was at bat. He then allowed a 1-RBI hit to Kang Seung-ho and handed the baton to Lee Ji-kang.

Jung Woo-young's earned run average soared from 10.13 to 20.25 (2⅓ innings, 6 earned runs), as all 3 inherited runners scored.

Jung Woo-young, who had achieved rookie of the year and hold king in the past, fell into unexplained struggles starting in 2023, causing his career to decline sharply. Consequently, after finishing the 2024 season, he decided to spend his personal funds on a 3-week individual training at a baseball training center, Tread Athletics, located in Charlotte, North Carolina, to regain the effectiveness of his once-sharp two-seam fastball.

However, this year does not seem to show any significant turnaround. At least not so far. After starting the season in the minor leagues and undergoing 83 days of training, he was finally called up by manager Youm Kyoung-youb on the 13th, but the only game that resembled his past self was on the 17th, where he recorded no earned runs in 1 inning against the NC Dinos.

In the season's first game on the 15th against the Daejeon Hanwha Eagles, he recorded 1 inning with 1 hit allowed, 1 home run, 1 strikeout, and 1 earned run, followed by ⅔ inning with 2 walks, 2 strikeouts, and 2 earned runs against NC on the 19th. On the 22nd, he experienced disgrace by not recording a single out before handing the baton.

Sung Dong-hyun, who was selected in the 1st round of the 2018 rookie draft, also received notification of his demotion with Jung Woo-young after struggling with no innings, 1 hit allowed, 1 walk, and 1 earned run the day before. Sung Dong-hyun also contributed little to the team this season with an earned run average of 9.00 (9 innings, 9 earned runs) over 12 games.

LG will face KT Wiz in a three-game series starting on the 24th in Suwon.

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