Kansas City's pitching staff can't catch a break. The Royals placed right-hander Stephen Kolek on the 15-day injured list with a right flexor strain, another subtraction for a rotation that was already stretched thin heading into the trade-deadline stretch.

Royals Place Stephen Kolek On 15-Day Injured List t.co/dH1rrxdk9v
The timing stings. Kolek wasn't even hurt in a big-league game — he got hurt trying to get back to one. He'd been away from the Royals on the family medical emergency list after his daughter Faye was born seven weeks premature on June 25, and he was working his way back through a rehab assignment with Triple-A Omaha. He was stretched out for 4 innings or 65 pitches, but the outing ended early when he exited in the third inning after just 51 pitches with Omaha's trainer.
Before all this, Kolek had actually been one of the season's quieter feel-good stories. He made his 2026 MLB debut with a quality start against the Guardians, got bounced back down to Omaha, and then got the call back up when Cole Ragans landed on the injured list. From there he ran with it, holding opponents to 2 runs or fewer in 5 of 6 starts and carrying a 2.68 ERA with a 1.03 WHIP through 50.1 innings as of mid-June.
That version of Kolek had cooled off some already — his ERA had climbed to 4.50 after giving up 12 runs across his last 2 appearances before he ever left for the family emergency list. So now he's got 2 things to work back from at once: the flexor strain and the rust of a long personal absence, right as Kansas City's front office is trying to figure out what this rotation looks like heading into deadline week.
For a Royals team that's leaned hard on internal pitching options all year just to stay afloat, losing another arm to injury — even a temporary one — is the last thing they needed. Kolek's next step is presumably another crack at a rehab assignment once the flexor calms down, but until then it's one more name off the depth chart at the worst possible time of year.

