The Kansas City Royals placed pitcher Michael Wacha on the injured list on Sunday with a “small, non-displaced” fracture in his left foot, per manager Matt Quatraro. Lefty Daniel Lynch IV will be called up from Triple-A to take Wacha’s spot in the rotation.

“We don’t think it’s worth pushing him out there.”#Royals SP Michael Wacha is heading to the IL today with a non-displaced left foot fracture.#WelcomeToTheCity
🔗 https://t.co/76FWOFMj7f pic.twitter.com/l1AfgtEdpN

— MLB Network Radio on SiriusXM (@MLBNetworkRadio) June 2, 2024

There is not yet a timetable for Wacha’s return to action. But Quatraro told reporters that his absence will be determined by how the soreness in his foot progresses. Wacha will continue working out his arm by taking a knee while playing catch. However, a full return to action will depend on how he can manage the pain in his foot.

Kansas City Royals Place Michael Wacha On Injured List

Kansas City signed Wacha this winter to a two-year, $32 million deal as part of a rotation restructuring. The offseason aggression has paid off, as the Royals have ridden a strong pitching rotation, including Wacha, to great success this season.

Wacha is not an ace, but he is providing quality mid-to-back of-the-rotation innings that Kansas City expected. The 32-year-old has pitched better this season than his overall numbers suggest. Wacha has posted a 4.24 ERA (97 ERA+) in 68 innings across 12 starts. He doesn’t strike many out but relies on limiting walks and inducing poor contact.

Plus, his numbers would look better if not for a below average strand rate (68.7 percent). In other words, when he leaves games with runners on base, Royals relievers fail to strand them more often than not. The relievers gave up the run scoring walks/hits, but the runs get charged to Wacha.

Daniel Lynch IV

With Wacha on the injured list, the Royals will turn to a former top prospect in Lynch. Part of the reason why Kansas City added so many veteran pitchers this winter is due to a failure to develop young arms. Lynch represents one of those failed pitching prospects.

Entering this season, Lynch has struggled to a 5.18 ERA and in 51 starts across three big league seasons. The organization wanted to win in the majors again and just could no longer promise innings to young pitchers that just were not improving.

Daniel Lynch was fantastic on Sunday. The secret? More spin and movement from his arsenal — especially the slider.

Lynch has always averaged 2000-2100 on his FF and SL. On Sunday, he touched 2300 inconsistently with the heater and averaged 2286 on the slider. pic.twitter.com/FrluEi3wXM

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— Preston Farr (@royalsminors) May 21, 2024

And while he’s looked good in three MLB outings this season (a 1.50 ERA in 12 innings), Lynch has not pitched that well in the minors. In nine starts, Lynch produced a 4.76 ERA in 45 1/3 innings with below average strikeout rates. The 27-year-old has shown promise with intriguing stuff but has not put it all together in a consistent manner.

That said, it seems that the Royals expect Wacha to spend minimal time on the injured list. Though the organization likely still views its former 34th overall pick in positive light, Lynch just needs to provide league-average production until Wacha return.

Main Photo Credits: Jonathan Dyer-USA TODAY Sports