7th inning 5-5. Hanhwa, who had been dragged by Doosan, managed to turn the game back to square one and hit the first defense. On the 19th, 4,000 spectators gathered at Hanwha Life Eagles Park in Daejeon were all excited. It was the first appearance in the 1st group of Kim Seo-hyun (19, Hanwha, photo), the first overall pick in the 2023 professional baseball draft. The first batter Kim Seo-hyun, the ‘monster rookie’, faced in the first team was Jose Rojas, a foreign player from Doosan who recorded a home run in the previous at-bat.

The first ball Kim Seo-hyun threw at Lohas was a fast ball of 154 km per hour. A thunderous roar erupted from the audience. Kim Seo-hyun grounded Lohas with her fastball and high-speed slider, her skills, and struck out Heo Gyeong-min and Lee Yu-chan with fastballs. The average speed of 11 fastballs thrown by Kim Seo-hyun that day was 159 km based on the club’s own measurement system, Trackman. The speed of the second ball thrown against Lee Yu-chan reached 160.1 km per hour. Based on KBO’s official record company, Sports To I Pitching Tracking System (PTS), his highest velocity was 157.9 km, but it was not enough to show off the power of his main weapon, the fast ball.

Kim Seo-hyun’s guts to say “I just threw it with the thought of getting hit” was amazing. He threw a fast ball, whether it was a hit or a home run. Of the 17 pitches he threw that day, 11 were ‘fastballs’. Kim Seo-hyun played 5 demonstration games ahead of this season and performed well with 3 hits and 2 runs (1 earned) in 5 innings, but did not make it to the opening entry.

It’s because the helm is shaking. In the demonstration game, he gave up 6 pitches to his opponent. Hanwha coach Carlos Subero sent Kim Seo-hyun to the Futures League and ordered him to increase the rate of fastballs, which is his strong point. Seohyun Kim had a habit of throwing a breaking ball rather than throwing a fastball to catch a strike even when the ball count was 0-3.

Coach Subero evaluated Kim Seo-hyun’s pitching pattern, saying, “Hitters are reluctant to make contact with their balls.”

After the demonstration game with many rounds,
the decision to train the 2nd group centered on fastballs ‘successful’

Kim Seo-hyun practiced ‘correct practice’ through pitching focused on fastballs in the 2nd group as requested by the coach. He played 5 games in the Futures League and improved his skills by recording 6 hits (1 home run) and 1 run in 7 innings.

Kim Seo-hyun, whom I met after successfully making his first-team debut, said, “In the second team, I threw mostly fastballs and got hit a lot (to the batter), so I threw with the idea of ​​just hitting the game today.” He threw a perfect pitch that was not burdensome, but he also had worries about Kim Seo-hyun. He said, “I slept a little before the game, but I had a dream of hitting a home run.

Kim Seo-hyun is a large-scale prospect who can exceed the record of team senior Moon Dong-ju (20) with a maximum speed of 160.1 km (PTS). His immediate goal was to survive in the first team stage, but through his debut game, he properly announced that another fastball pitcher had appeared in Korean professional baseball. 메이저놀이터

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