Stephen Kolek
Decomposição
Desempenho






















































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6 de maio de 2026
Collects win in 2026 debut
Kolek (1-0) picked up the win Tuesday against the Guardians, allowing three runs on four hits and no walks with three strikeouts across six innings.
Análise
After straining his oblique during spring training, Kolek made four rehab starts with Triple-A Omaha before he was summoned for his 2026 debut Tuesday in place of the injured Noah Cameron (back). Kolek doesn't have great stuff and generated just two whiffs on 83 pitches against Cleveland, but he throws six pitches with plus command and was able to keep the Guardians at bay. With Cameron tentatively expected to avoid a trip to the injured list, it's unclear if Kolek will remain in Kansas City's rotation.
5 de maio de 2026
Activated ahead of Tuesday's start
The Royals activated Kolek (oblique) from the 15-day injured list Tuesday.
Análise
Kolek is set to make his season debut for the Royals with a start Tuesday versus the Guardians, slotting in as a replacement for Noah Cameron (back). Out since spring training with an oblique strain, Kolek posted a 2.76 ERA and 14:4 K:BB over 16.1 innings in four rehab starts with Triple-A Omaha. He threw 72 pitches in his final rehab appearance, so he could be limited slightly from a workload perspective Tuesday.
5 de maio de 2026
Will be activated to start Tuesday
The Royals announced that Kolek (oblique) will be activated from the 15-day injured list to start Tuesday's game against the Guardians.
Análise
Kolek completed his fourth rehab appearance at Triple-A Omaha on Wednesday, striking out four batters over 4.1 innings (72 pitches) while yielding three runs (one earned) on eight hits and no walks. Though he initially appeared to be ticketed for a long-relief role upon his return from the IL, Kolek will end up slotting into the rotation Tuesday as a rpelacement for Noah Cameron, who was scratched from his scheduled start due to lower-back tightness. Kolek suffered a Grade 1 left oblique strain during spring training and will be making his first big-league appearance of the 2026 campaign Tuesday.
30 de abril de 2026
Completes fourth rehab start
Kolek (oblique) allowed three runs (one earned) on eight hits and no walks across 4.1 innings with Triple-A Omaha on Wednesday. He struck out four.
Análise
Kolek made his fourth rehab start with Triple-A Omaha as he builds back from a Grade 1 left oblique strain suffered in spring training. The right-hander allowed his highest hit total of the rehab assignment Wednesday, though it also marked his first outing without issuing a walk. Across four starts at Triple-A, the 28-year-old owns a 2.76 ERA and 1.41 WHIP with a 14:4 K:BB in 16.1 innings. Kolek appears to be nearing the end of his rehab assignment and is on track to be activated soon, though he could remain at Triple-A upon activation with no clear opening in the Royals' rotation.
