The Birth of the First 100-Mile Light-Speed Pitcher in Korean Baseball History...What about Moon Dong-joo and Ryu Hyun-jin, who opened a new history, and the third starting pitcher of fall baseball

Sep 21, 2025

The Birth of the First 100-Mile Light-Speed Pitcher in Korean Baseball History...What about Moon Dong-joo and Ryu Hyun-jin, who opened a new history, and the third starting pitcher of fall baseball
The game between KT and Hanwha at KT Wiz Park in Suwon on the 20th. Hanwha Moon Dong-ju coming down the mound after pitching in the seventh inning. Suwon = Song Jeong-heon Reporter songs@sportschosun.com/2025.09.20/



The Birth of the First 100-Mile Light-Speed Pitcher in Korean Baseball History...What about Moon Dong-joo and Ryu Hyun-jin, who opened a new history, and the third starting pitcher of fall baseball
The match between the Hanwha Eagles and the Kiwoom Heroes at Hanwha Life Ball Park in Daejeon on the 14th. Hanwha's Moon Dong-joo is replacing Pitchcom. Daejeon = Reporter Park Jae-man pjm@sportschosun.com /2025.09.14/
The Birth of the First 100-Mile Light-Speed Pitcher in Korean Baseball History...What about Moon Dong-joo and Ryu Hyun-jin, who opened a new history, and the third starting pitcher of fall baseball
The match between the Hanwha Eagles and the Kiwoom Heroes at Hanwha Life Ball Park in Daejeon on the 14th. Hanwha Moon Dong-ju is pitching hard. Daejeon = Reporter Park Jae-man pjm@sportschosun.com /2025.09.14/
The first pitcher in Korean baseball history '100 miles' came out. Again, Hanwha Eagles Moon Dong-ju became the main character of the new history.

Moon Dong-joo struck out with his fourth fastball in a showdown with KT Kang Baek-ho after two outs in the bottom of the seventh inning of the Suwon KT Wiz match on the 20th.

The fastball speed was recorded as 161.4km. It is the highest-ever speed limit for a Korean pitcher in Korean baseball history.




It was also recorded as the first ball to exceed 100 miles (160.9 kilometers), which is called the standard for a major league fastball in the history of Korean pitchers. Moon Dong-ju has become a pitcher who has pioneered an unprecedented level in Korean baseball history when it comes to fastball speed.

Moon Dong-ju also recorded 160.5km against KT in Daejeon on August 5. In addition to Moon Dong-ju, Hanwha Kim Seo-hyun also recorded 160.5km against KIA in Gwangju on May 4.

Moon Dong-ju exceeded 160km for the first time in the match against the Gwangju KIA Tigers on April 12, 2023. In addition, if the category is expanded to foreign pitchers who have participated in domestic professional baseball, some cases will be added. Ledames Leeds (former LG Twins) is known for his 162.1km against SK Wyverns Jo Dong-hwa on September 4, 2012, which is the highest arrest in Korean professional baseball history, and Leeds has exceeded 160km several times. There is also Fabio Castillo's 160.4 km record.




The Birth of the First 100-Mile Light-Speed Pitcher in Korean Baseball History...What about Moon Dong-joo and Ryu Hyun-jin, who opened a new history, and the third starting pitcher of fall baseball
The match between the Hanwha Eagles and the Kiwoom Heroes at Hanwha Life Ball Park in Daejeon on the 14th. Hanwha Moon Dong-ju is catching his breath. Daejeon = Reporter Park Jae-man pjm@sportschosun.com /2025.09.14/
In addition to these, there are also cases of Cho Yo-han (SSG Landers) and Ahn Woo-jin (Kium Heroes) who reportedly exceeded 160km, 163km that Eom Jung-wook (former SK Wyverns) recorded in the second division stage in 2011, 160km taken by Han Ki-joo (former KIA) in 2008 and 2009, and 160km from the club's own trackman system.

However, the previous restraint records were measured using the PTS. The KBO started using the Track Man as an integrated restraint measurement device from this year. Therefore, it is not possible to simply compare this year's record with this year's previous record.

On this day, Moon Dong-ju took the mound as the second pitcher after Cody Ponce in the bottom of the sixth inning. It will be his first bullpen appearance this year. He pitched three scoreless innings, but the team's defeat faded. As a result of the match, Ponce's winning streak since the opening of the game ended at '17'.




The Birth of the First 100-Mile Light-Speed Pitcher in Korean Baseball History...What about Moon Dong-joo and Ryu Hyun-jin, who opened a new history, and the third starting pitcher of fall baseball
Hanwha-KIA match held at Kia Champions Field in Gwangju on the 17th. Hanwha starter Ryu Hyun-jin, who has the requirement to win with two runs in five innings, is delighted. Gwangju = Reporter Jeong Jae-geun cjg@sportschosun.com /2025.9.17/
Hanwha has been knocking on the use of bullpen even before the season, paying attention to Moon Dong-joo's overwhelming fastball. Given Ponce-Wice's one-two punch is so strong, and the presence of third starter Ryu Hyun-jin, it is understandable that it is a waste to use Moon Dong-ju as the fourth starter.

However, Moon Dong-joo recorded 11 wins, 4 losses and an ERA of 3.59 this season, as good as Ryu Hyun-jin (9 wins, 7 losses, 3.31). Ryu Hyun-jin is ahead of Moon Dong-joo in the overall record this season, but he has exposed his ball power to drop sharply when he exceeds 80 pitches. On the other hand, Moon Dong-ju's fastball speed rarely drops even in the sixth and seventh innings.

In particular, the bigger the stage, the more powerful the power of the powerful fastball. During the Hangzhou Asian Games, he faced Taiwanese ace Lin Yu-min twice and was never pushed back. Intense folk balls in the mid-140km range are also adding more power.

In order to properly utilize Moon Dong-ju's value, the third starter of fall baseball seems better than the bullpen. Wouldn't it be a pleasant worry for manager Kim Kyung-moon and pitching coach Yang Sang-moon.

The Birth of the First 100-Mile Light-Speed Pitcher in Korean Baseball History...What about Moon Dong-joo and Ryu Hyun-jin, who opened a new history, and the third starting pitcher of fall baseball
The Hanwha-KIA match held at Kia Champions Field in Gwangju on the 17th. With Hanwha winning 6-2, head coach Kim Kyung-moon greets the players. Gwangju = Reporter Jeong Jae-geun cjg@sportschosun.com /2025.9.17/




This article was translated by Naver AI translator.