Scouting Report: Adam Oller
Chicago Cubs | SP
Overall
Summary
Adam Oller, 31-year-old foreign pitcher for the KIA Tigers in the Korean Baseball Organization, has experienced a significant performance decline following a complete-game shutout. After posting the shutout, Oller has struggled in subsequent starts, allowing 16 earned runs over 17 innings with an ERA that has risen to 3.04. In his most recent start against the Doosan Bears on May 12, 2026, he lasted 6 innings, allowing 6 hits (1 home run), 1 walk, and 5 earned runs while striking out 5 batters in a 1-5 loss. The decline appears to be related to poor performance in critical situations, as he has allowed scoring hits in both high-leverage moments during recent outings. Oller was recognized as a 2026 KBO League award winner early in the season.
Strengths
- Complete-game shutout performance demonstrates capability for excellence
- Early season KBO League award recognition
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