Brandon Clarke is moving again, and the Cardinals have reason to keep an eye on every step.
The 23-year-old left-hander, one of the headliners from the Sonny Gray trade with Boston, has climbed to Double-A Springfield after a strong run at High-A Peoria. St. Louis added $20 million in that deal, but the biggest piece for the organization has been Clarke, a pitcher who has already flashed the kind of arm that gets attention fast.
Clarke entered the year as the Cardinals’ No. 9 prospect, and once he got healthy, he started showing why. He has already touched 103 miles per hour with his fastball this season, and across nine starts between the FCL Cardinals, Class-A Palm Beach and High-A Peoria, he posted a 3.86 ERA with 37 strikeouts and 16 walks in 25 2/3 innings.
The recent stretch is what pushed him into the next level. Over his last four starts, Clarke turned in a 2.57 ERA across 14 innings, and that was enough for the Cardinals to make the move official on Wednesday.
“LHP Brandon Clarke has been transferred from Peoria (A+) to Springfield (AA),” the Cardinals announced. “RHP Nate Dohm has been transferred from Peoria to Springfield and placed on the Development List.”
This is the first time Clarke has reached Double-A. He was a fifth-round pick by Boston in 2024 and didn’t make his pro debut until 2025 in the Red Sox system.
Last year, he made 14 total appearances and reached High-A Greenville, where he finished with a 5.08 ERA in 11 starts. This season, he has shown real progress, including a 3.44 ERA in five High-A starts, even in a smaller sample.
The appeal is obvious. Clarke’s fastball is the calling card, but his frame matters too. At 6-foot-4 and 220 pounds, he has the kind of build that fits the profile of a power starter, and the Cardinals clearly see that upside.
There are only a few weeks left in the 2026 season, so another jump in the system would be a surprise. Still, Clarke is now squarely on the radar for Spring Training, where the big league club is expected to have rotation openings. If he keeps dealing the way he has, he could put himself right into that conversation.
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