*This content was translated by AI.


Koo Ja-yook (33), the flagship hitter for the Samsung Lions who had been securing his title as batting champion, has ultimately been sidelined due to a hamstring injury. Following cross-examination by medical professionals, a tendon injury was confirmed, casting serious doubt on Samsung's autumn campaign as they aim for the championship.
A Samsung club official officially announced on the 1st, "According to detailed hospital examinations, Koo Ja-yook received an opinion that there is a 0.5 to 1 cm injury to his left hamstring (long head of the biceps femoris tendon origin). We will first proceed with injection treatment, and after follow-up examinations such as an MRI scan in two weeks, we plan to finalize his return schedule."
The setback occurred in his first at-bat during the previous day's game. Koo Ja-yook started as the third batter and left fielder in the home game against the Hanwha Eagles on September 30 at Daegu Samsung Lions Park. In the bottom of the first inning with a runner on first, Koo Ja-yook hit a large ball off opposing foreign pitcher Owen White and sprinted aggressively to second base.
However, immediately after attempting to slide into second base, he grabbed his leg, complaining of severe pain. Coaches and trainers from the bench rushed onto the field urgently, but he appeared unable to walk off on his own. Ultimately, assisted by a trainer, he was substituted with pinch runner Park Seung-gyu and left the stadium.
After conducting an emergency nighttime MRI examination immediately following the injury, the club underwent cross-verification by multiple medical institutions considering the severity of the situation, and received a final diagnosis of minor tendon damage just before the game on the 1st.
This injury is a devastating blow not only to Koo Ja-yook personally but also to Samsung, which was aiming for a late-season surge just before the end of the regular season. This season, Koo Ja-yook has been running at an overwhelming first place in the league's batting category with a .371 batting average. In addition, he has demonstrated the weight of a central hitter across all batting categories with the team's most hits (156), third-most home runs (15), and third-most RBIs (102), single-handedly leading the Lions' offense. He holds a lead of more than 1 point in batting average over Lotte Giants' foreign batter Victor Reyes, who is second with a .358 average.
The issue lies in Koo Ja-yook's recovery timeline. Hamstring tendon injuries are generally considered areas where premature return is impossible due to the high risk of recurrence. Since an MRI follow-up examination will be conducted in two weeks, it has effectively become impossible for him to appear in the remaining regular season games. Even if Samsung advances to the postseason, his participation in the early stages of the fall baseball remains uncertain.
The Samsung Lions, which had staked everything on chasing the top ranks and a comeback championship at the end of the regular season, now face their most brutal autumn after losing the absolute "pillar" of their lineup.

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*This content was translated by AI.
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