It will be different from how you did it." 6.6% → 17.4% of the pitch ratio, and the changed ball combination → hit rate is back in third place in the league…Oh Won-seok's Reasonable Run

It will be different from how you did it." 6.6% → 17.4% of the pitch ratio, and the changed ball combination → hit rate is back in third place in the league…Oh Won-seok's Reasonable Run

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I will do it in a different way than you did. (Jang) Sungwoo said that."

KT Wiz left-hander Oh Won-seok shows brilliant pitching every day. Oh Won-seok cited improved change-up and changed ball mixing as the reason.스포츠토토

Oh Won-seok won the victory with four hits, three walks and five strikeouts in six innings of the 2025 Shinhan Bank SOL Bank KBO League held at KT Wiz Park in Suwon on the 3rd.

It already has four wins (two losses) in this season. It had only six wins (nine losses) in 29 games last season, but has caught up with most of last year's wins in six games this season. The ERA increased from 5.03 to 2.52.

His ball control has improved beyond recognition. The ratio of walks per nine innings (BB/9) last year was 4.81. He improved to 3.89 this season. His pace is even better these days. Oh was shaken to BB/9 7.71 until April 2. He has changed 180 degrees since then to 2.70.

Manager Lee Kang-chul cited Jang as the cause. "In SSG, I threw a lot of sliders and occasionally threw changeups. (Jang) Sung-woo seems to be using slider curves for changeups in fastballs. Since he makes people throw strikes well, walks are bound to decrease. (Jang) Sung-woo is good at things like that," Lee said.

What do you think of Oh? "I engaged in training with (the late) Young-pyo and (small) Hyeong-jun by talking a lot. Since then, the balance has become constant, and (the ball control) has improved," Oh said. "The coach also gave me so much comfort, so I feel comfortable psychologically. Coach Je Chun-mo also taught me the breaking ball and change-up, so I think I got better location. It worked in multiple ways."

Prior to the season, he revised his pitching form concisely. He lowered his arm height slightly before pitching, and his overall form became soft. "Nothing much has changed. It's similar to the rhythm he used to throw, but the coach and coach asked him to make it simpler and more comfortable," Oh said. "Since his form is so big, I think he is continuously decreasing now."

The most visible change is ball combination. According to Statistics, Oh's change-up pitching ratio stood at 6.6 percent during the last season, following fastball (57.2 percent), curveball (19.4 percent), and slider (16.6 percent). This year, Oh's pitching ratio has dropped to 17.4 percent, which is comparable to that of sliders (17.6 percent). His curveball ratio has declined to 7.8 percent.

Oh Won-seok said, "Before enjoying the season, Seong-wu said, 'I'm going to take a lot of breaking ball ratio this year. I'm going to increase the change-up ratio a lot, and I'm going to do it in a different way than how you did it.' When I entered the season, the results were all good."

Starting with manager Lee Kang-chul, all KT pitchers put their absolute trust in Jang's lead. "I heard that (Jang) Sung-woo is good at leading since he was with SSG. When I was traded, I thought, 'I want to play with (Jang) Sung-woo as soon as possible. After playing it, he seems to be really good at ball mixing and leading. I trust him," Oh said.

Je Chun-mo, the pitching coach, helped improve the quality of changeups. "When Je Chun-mo threw changeups, he told me, 'You have to throw like this to do better,'" Oh said. "I tried it and it worked well." When asked for Je Chun-mo's tips in detail, he said, "No, it's a trade secret."

His pitches that have changed will be shown in his batting average. He ranks third in the league with a batting average of 0.188 as of Thursday before the game. "Really?" Oh said, "Since I have good control, I will have an advantageous count. I think that will make him better."

My goal for this year is to win 10 games in the regular innings. "Thank you for always coming to the stadium. I will do my best," Oh said to his fans.

He has the best early pace ever. Unlike other records, his ball control and ball power never lie. Will Oh be able to use his career high at KT.