Below is a partial list of players in the St. Louis Cardinalsminor league organization and rosters of their minor league affiliates. Players individually listed here have not yet played in Major League Baseball (MLB), but have reached an advanced level of achievement or notoriety (most minor league players do not meet these criteria). Some notable players in the minor leagues may have their own profile pages, such as first-round draft picks. Note that anyone with a past MLB appearance has their own profile page, even if they are currently playing in the minor leagues.
As a freshman at Missouri in 2018, Bedell pitched to a 6.17 ERA over 11+2⁄3 innings.[8] As a sophomore in 2019, he made 18 appearances and went 3–1 with a 1.56 ERA and 36 strikeouts over 40+1⁄3 innings.[9] That summer, he played in the Cape Cod Baseball League for the Wareham Gatemen where he was 4–0 with a 0.59 ERA over 30+2⁄3 innings, was named a league All-Star, and won the league's Outstanding Pitcher award.[10][11][12] Bedell moved into the starting rotation for the 2020 season, starting four games and pitching to a 3.70 ERA before the season was cancelled due to the COVID-19 pandemic.[13] Bedell was selected by the St. Louis Cardinals in the fourth round with the 122nd overall pick of the shortened 2020 Major League Baseball draft.[14][15] He signed for $800,000.[16]
Bedell made his professional debut in the 2021 with the Peoria Chiefs.[17] He pitched 2+2⁄3 innings before undergoing Tommy John surgery.[18] Bedell returned to play in August 2022 and spent the season rehabbing with the Florida Complex League Cardinals and Palm Beach Cardinals, totaling a 3.18 ERA over 5+2⁄3 innings.[19] Bedell returned to Peoria for the 2023 season.[20] Over 27 games (19 starts), he went 4–2 with a 2.44 ERA and 106 strikeouts over 96 innings and was named the Midwest League Pitcher of the Year.[21] Bedell was assigned to the Springfield Cardinals to open the 2024 season.[22] In mid-June, he was promoted to the Memphis Redbirds.[23] Over 21 games (19 starts) between both teams, Bedell posted a 3-4 record and 4.85 ERA.[24] Bedell returned to Memphis to open the 2025 season, posting an 8.91 ERA over nine starts before being placed on the injured list.[25]
Cho signed with the St. Louis Cardinals as an international free agent in January 2022.[29] He signed with the Cardinals rather than pursue a career in the KBO League.[30]
On July 31,2025,Hales (alongside Mason Molina and international bonus pool money) was traded to the St. Louis Cardinals in exchange for Phil Maton.[59]
Henderson made his professional debut in 2023 with the Palm Beach Cardinals. He pitched 2024 with Palm Beach and the Peoria Chiefs and pitched in the Arizona Fall League after the season.[62] Henderson started 2025 with the Springfield Cardinals.[63]
As a freshman in 2020,Mathews pitched 21 innings before the season was cancelled due to the COVID-19 pandemic. For the 2021 season,Mathews went 5-2 with a 6.08 ERA over 66+2⁄3 innings.[68] That summer,he played in the Cape Cod Baseball League with the Cotuit Kettleers.[69][70] With Stanford in 2022,Mathews appeared in 27 games and went 9-2 with a 3.08 ERA and 111 strikeouts over 99+1⁄3 innings. He was selected by the Tampa Bay Rays in the 19th round of the 2022 Major League Baseball draft but did not sign.[71] For the 2023 season,Mathews went 10-4 with a 3.75 ERA and 158 strikeouts over 124+1⁄3 innings and was named the Pac-12 Conference Pitcher of the Year.[72] In a Super Regional game versus the Texas Longhorns,he threw a 156-pitch complete game in which he struck out 16 batters in an 8-3 Stanford win.[73][74] After the season,he was selected by the St. Louis Cardinals in the fourth round (122nd overall) of the 2023 Major League Baseball draft and signed.[75][76]
Mathews made his professional debut in 2024 with the Palm Beach Cardinals and was named the Cardinals' Minor League Pitcher of the Month for April.[77] In mid-May,he was promoted to the Peoria Chiefs,[78] and in mid-June,he was promoted again,to the Springfield Cardinals.[79] He was selected (alongside Tink Hence) to represent the Cardinals at the 2024 All-Star Futures Game at Globe Life Field.[80] In late August,he was promoted to the Memphis Redbirds.[81] Over 26 starts between the four clubs,Mathews went 8-5 with a 2.76 ERA and 202 strikeouts over 143+1⁄3 innings.[82] Mathews missed the beginning of the 2025 due to shoulder soreness.[83] He made two rehab starts for the Florida Complex League Cardinals and Palm Beach before being assigned to Memphis.[84]
As a freshman at UCLA in 2021,Rajcic served as the Bruins' closer,going 2–1 with a 1.65 ERA and 36 strikeouts over 32+2⁄3 innings.[101] Over the summer of 2021,he played collegiate summer baseball with the Cotuit Kettleers of the Cape Cod Baseball League.[102][103] As a sophomore in 2022,he moved into the starting rotation and went 8–5 with a 3.28 ERA and 92 strikeouts over 85 innings and 15 starts.[104] After the season,Rajcic was selected by the St. Louis Cardinals in the sixth round with the 187th overall pick in the 2022 Major League Baseball draft.[105] He signed with the Cardinals for $600,000.[106]
The 2020 minor league season was canceled due to the COVID-19 pandemic.[115] Due to travel restrictions Robberse was unable to return home to the Netherlands,and instead remained in Clearwater,Florida.[114] Robberse began the 2021 season with the Low-ADunedin Blue Jays,and was later promoted to the High-AVancouver Canadians. In a combined 882⁄3 innings,he posted a 5–7 record with a 4.36 ERA and 90 strikeouts.[113]
On November 14,2023,the Cardinals added Robberse to their 40-man roster to protect him from the Rule 5 draft.[117] He was optioned to the Triple–A Memphis Redbirds to begin the 2024 season.[118] In 19 games (17 starts) split between Memphis and the Single-A Palm Beach Cardinals,Robberse compiled a 5-5 record and 4.38 ERA with 80 strikeouts across 90+1⁄3 innings pitched.
Robberse was optioned to Triple-A Memphis to begin the 2025 season.[119] On May 14,2025,it was announced that Robberse would miss the remainder of the season after undergoing Tommy John surgery.[120]
He spent his professional debut season of 2021 with the Down East Wood Ducks of the Low-A East,going 2–2 with a 2.45 ERA and 35 strikeouts over 22 innings. Roby missed the majority of that season with a strain of his right elbow but did not require surgery.[124] Roby spent the 2022 season with the Hickory Crawdads of the High-ASouth Atlantic League,going 3–11 with a 4.64 ERA and 126 strikeouts over 104+2⁄3 innings.[125][126] He opened the 2023 season with the Frisco RoughRiders of the Double-ATexas League.
Roby split the 2024 campaign between the Single–A Palm Beach Cardinals and Double–A Springfield Cardinals,making 10 starts and working to a 2–3 record and 6.57 ERA with 39 strikeouts across 38+1⁄3 innings pitched. Following the season,the Cardinals added Roby to their 40-man roster to protect him from the Rule 5 draft.[128]
Roby was optioned to Double-A Springfield to begin the 2025 season.[129] In 16 starts split between Springfield and the Triple-A Memphis Redbirds,he accumulated a 7-4 record and 3.10 ERA with 87 strikeouts across 78+1⁄3 innings pitched. On July 18,2025,Roby underwent Tommy John surgery,and is not expected to return to pitching until the 2027 season.[130][131]
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