Royals Pitcher Stephen Kolek Sidelined by Oblique Strain

Injury casts doubt on his availability for Opening Day, straining the team's pitching depth.

Feb. 27, 2026 at 8:07pm

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Kansas City Royals pitcher Stephen Kolek has been diagnosed with a Grade 1+ oblique strain, requiring at least a week of rest before reevaluation. The injury creates uncertainty around his availability for the season opener, putting added pressure on the team's pitching rotation as they prepare for the upcoming season.

Why it matters

Kolek's injury is a significant setback for the Royals, who were counting on him to be a key part of their pitching staff this season. With the season opener just a month away, the team will have to adjust their plans and potentially lean more heavily on other pitchers in the rotation, which could strain their overall pitching depth.

The details

Last season, Kolek posted a 3.51 ERA in 19 starts, but his strikeout rate of 16.7% was noticeably below the league average of 22.2%. Now sidelined, his path to securing a spot on the pitching roster faces new hurdles. The Royals' current rotation options include pitchers Cole Ragans, Seth Lugo, Michael Wacha, Noah Cameron, and Kris Bubic, who will likely have to shoulder a larger load if Kolek's recovery takes longer than expected.

  • Kolek was diagnosed with the Grade 1+ oblique strain on February 27, 2026.
  • The Royals' season opener is just one month away.

The players

Stephen Kolek

A pitcher for the Kansas City Royals who has been diagnosed with a Grade 1+ oblique strain, threatening his availability for the start of the season.

Cole Ragans

One of the Royals' current rotation options who may have to take on a larger role if Kolek's recovery takes longer than expected.

Seth Lugo

One of the Royals' current rotation options who may have to take on a larger role if Kolek's recovery takes longer than expected.

Michael Wacha

One of the Royals' current rotation options who may have to take on a larger role if Kolek's recovery takes longer than expected.

Noah Cameron

One of the Royals' current rotation options who may have to take on a larger role if Kolek's recovery takes longer than expected.

Kris Bubic

One of the Royals' current rotation options who may have to take on a larger role if Kolek's recovery takes longer than expected.

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What’s next

The Royals will have a clearer picture of Kolek's condition and expected return after his follow-up evaluation. This timeline will be critical for the team as they determine whether to adjust their rotation plans or explore additional alternatives.

The takeaway

Kolek's oblique injury is a significant setback for the Royals, who will have to adjust their pitching plans and potentially rely more heavily on other rotation options if his recovery takes longer than expected. The team's ability to manage this situation will be crucial in maintaining their pitching effectiveness as they prepare for the upcoming season.