Below is a partial list of players in the St. Louis Cardinals minor 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.
Players.
Ian Bedell.
Ian McAllister Bedell (born September 5, 1999) is an American professional baseball pitcher in the St. Louis Cardinals organization.
Bedell attended Central High School in Davenport, Iowa, where he played baseball. As a sophomore in 2016, he went 7–1 with a 1.70 ERA over ;templatestyles src="Fraction/styles.css" / ;53+2⁄3 innings. After reclassifying and graduating early, he enrolled at the University of Missouri to play college baseball.
As a freshman at Missouri in 2018, Bedell pitched to a 6.17 ERA over ;templatestyles src="Fraction/styles.css" / ;11+2⁄3 innings. As a sophomore in 2019, he made 18 appearances and went 3–1 with a 1.56 ERA and 36 strikeouts over ;templatestyles src="Fraction/styles.css" / ;40+1⁄3 innings. 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 ;templatestyles src="Fraction/styles.css" / ;30+2⁄3 innings, was named a league All-Star, and won the league's Outstanding Pitcher award. 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. 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. He signed for $800,000.
Bedell made his professional debut in the 2021 with the Peoria Chiefs. He pitched ;templatestyles src="Fraction/styles.css" / ;2+2⁄3 innings before undergoing Tommy John surgery. 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 ;templatestyles src="Fraction/styles.css" / ;5+2⁄3 innings. Bedell returned to Peoria for the 2023 season. 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. Bedell was assigned to the Springfield Cardinals to open the 2024 season. In mid-June, he was promoted to the Memphis Redbirds. Over 21 games (19 starts) between both teams, Bedell posted a 3-4 record and 4.85 ERA.
Won-Bin Cho.
Won-Bin Cho (born August 20, 2003) is a South Korean professional baseball outfielder in the St. Louis Cardinals organization.
Cho signed with the St. Louis Cardinals as an international free agent in January 2022. He signed with the Cardinals rather than pursue a career in the KBO League.
Cho made his professional debut that year with the Florida Complex League Cardinals. In 2023, he played with the Palm Beach Cardinals.
Jimmy Crooks.
James Dale Crooks III (born July 19, 2001) is an American professional baseball catcher in the St. Louis Cardinals organization.
Crooks attended Trinity High School in Euless, Texas and played college baseball at McLennan Community College and the University of Oklahoma. In 2021, he played collegiate summer baseball with the Wareham Gatemen of the Cape Cod Baseball League. He was selected by the St. Louis Cardinals in the fourth round of the 2022 Major League Baseball draft.
Crooks made his professional debut in 2022 with the Palm Beach Cardinals. He played 2023 with the Peoria Chiefs and also appeared in one game with the Memphis Redbirds. After the season, he played in the Arizona Fall League.
Andre Granillo.
Andre Anthony Granillo (born May 12, 2000) is an American professional baseball pitcher in the St. Louis Cardinals organization.
Granillo attended West Valley High School in Hemet, California, and played college baseball at UC Riverside. In 2021, he played in the Cape Cod Baseball League for the Cotuit Kettleers. He was selected by the St. Louis Cardinals in the 14th round of the 2021 Major League Baseball draft and signed with the team.
Granillo made his professional debut with the Palm Beach Cardinals with whom he pitched to a 1.50 ERA over 18 innings. He opened the 2022 season with Palm Beach and was promoted to the Peoria Chiefs and Springfield Cardinals throughout the season, going 4-6 with a 4.13 ERA and 82 strikeouts over ;templatestyles src="Fraction/styles.css" / ;52+1⁄3 innings pitched between the three clubs. Granillo returned to Springfield to open the 2023 season and was promoted to the Memphis Redbirds in mid-August. Over 53 relief appearances between the two teams, he went 3-4 with a 4.74 ERA, 89 strikeouts, and 14 saves over ;templatestyles src="Fraction/styles.css" / ;68+1⁄3 innings. He was selected to participate in the Arizona Fall League with the Scottsdale Scorpions after the season. Granillo returned to Springfield to open the 2024 season and was promoted to Memphis in mid-May. Over 48 relief appearances between both clubs, Granillo posted an 8-2 record and 3.88 ERA with 80 strikeouts over 65 innings.
Joseph King.
Joseph Daniel King (born February 23, 2001) is an American professional baseball pitcher in the St. Louis Cardinals organization.
King graduated from Woodside High School in Woodside, California, in 2019. That year, he was named the baseball player of the year in the Peninsula Athletic League's Ocean Division. He attended the University of California, Berkeley and played college baseball for the California Golden Bears. The St. Louis Cardinals selected him in the ninth round of the 2022 MLB draft. He signed with the Cardinals and reported to extended spring training. He pitched for the Great Britain national baseball team in the 2023 World Baseball Classic.
Quinn Mathews.
Quinn Jack Mathews (born October 4, 2000) is an American professional baseball pitcher in the St. Louis Cardinals organization.
Mathews attended Aliso Niguel High School in Aliso Viejo, California where he played baseball. He went unselected in the 2019 Major League Baseball draft and enrolled at Stanford University to play college baseball
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 ;templatestyles src="Fraction/styles.css" / ;66+2⁄3 innings. That summer, he played in the Cape Cod Baseball League with the Cotuit Kettleers. With Stanford in 2022, Mathews appeared in 27 games and went 9-2 with a 3.08 ERA and 111 strikeouts over ;templatestyles src="Fraction/styles.css" / ;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. For the 2023 season, Mathews went 10-4 with a 3.75 ERA and 158 strikeouts over ;templatestyles src="Fraction/styles.css" / ;124+1⁄3 innings and was named the Pac-12 Conference Pitcher of the Year. 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. 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.
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. In mid-May, he was promoted to the Peoria Chiefs, and in mid-June, he was promoted again, to the Springfield Cardinals. He was selected (alongside Tink Hence) to represent the Cardinals at the 2024 All-Star Futures Game at Globe Life Field. In late August, he was promoted to the Memphis Redbirds. Over 26 starts between the four clubs, Mathews went 8-5 with a 2.76 ERA and 202 strikeouts over ;templatestyles src="Fraction/styles.css" / ;143+1⁄3 innings. 
Brycen Mautz.
Brycen Alexander Mautz (born July 17, 2001) is an American professional baseball pitcher in the St. Louis Cardinals organization.
Matz attended Westview High School in San Diego, California and played college baseball at the University of San Diego, after joining the team as a walk-on. He was selected by the St. Louis Cardinals in the second round of the 2022 Major League Baseball draft.
Mautz made his professional debut in 2022 with the Palm Beach Cardinals.
Max Rajcic.
Maxwel Scott Rajcic (born August 3, 2001) is an American professional baseball pitcher in the St. Louis Cardinals organization.
Rajcic attended Lutheran High School of Orange County in Orange, California. As a junior in 2019, he went 8–1 with a 0.55 ERA and 78 strikeouts over ;templatestyles src="Fraction/styles.css" / ;63+1⁄3 innings. That summer, he played in the Under Armour All-America Baseball Game, the High School All-Star Game at Progressive Field, and for the 18U USA Baseball team. During his senior season in 2020, he gave up no runs and struck out 32 batters over ;templatestyles src="Fraction/styles.css" / ;22+2⁄3 innings before the season was cancelled due to the COVID-19 pandemic. Rajcic was considered a top prospect for the shortened 2020 Major League Baseball draft but went unselected and enrolled at UCLA to play college baseball.
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 ;templatestyles src="Fraction/styles.css" / ;32+2⁄3 innings. Over the summer of 2021, he played collegiate summer baseball with the Cotuit Kettleers of the Cape Cod Baseball League. 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. 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. He signed with the Cardinals for $600,000.
Rajcic made his professional debut in 2023 with the Palm Beach Cardinals of the Single-A Florida State League. In June, he was promoted to the Peoria Chiefs of the High-A Midwest League. In mid-September, he was promoted to the Springfield Cardinals of the Double-A Texas League. Over 23 starts between the three teams, Rajcic went 9–6 with a 2.48 ERA and 123 strikeouts over ;templatestyles src="Fraction/styles.css" / ;123+1⁄3 innings. He was named the Florida State League Pitcher of the Year Award for his performance with Palm Beach. Rajcic returned to Springfield for the 2024 season. Over 24 starts, he posted a 10-11 record and 4.33 ERA with 131 strikeouts over 131 innings.
Sem Robberse.
Sem Robberse (; born October 12, 2001) is a Dutch professional baseball pitcher for the St. Louis Cardinals of Major League Baseball (MLB).
Robberse was born in Zeist, Netherlands. In 2018 he played for Honkbalclub Allen Weerbaar of the Honkbal Hoofdklasse (Dutch Major League), and posted a 1–3 win–loss record, 1.80 earned run average (ERA), and 12 strikeouts in 20 innings pitched. The following season he played for BSC Quick Amersfoort, and in nine starts totalling 64 innings pitched Robberse went 6–3 with a 1.83 ERA and 62 strikeouts. At an international tournament in Barcelona, Robberse was approached by scouts from several teams, including the Toronto Blue Jays and Kansas City Royals. He ultimately signed with the Blue Jays and was assigned to the Rookie-level Gulf Coast League Blue Jays. Robberse made five appearances for the Blue Jays in 2019 and went 2–0 with a 0.87 ERA and nine strikeouts in 10 ;templatestyles src="Fraction/styles.css" / ;1⁄3 innings.
The 2020 minor league season was canceled due to the COVID-19 pandemic. Due to travel restrictions Robberse was unable to return home to the Netherlands, and instead remained in Clearwater, Florida. Robberse began the 2021 season with the Low-A Dunedin Blue Jays, and was later promoted to the High-A Vancouver Canadians. In a combined 88 ;templatestyles src="Fraction/styles.css" / ;2⁄3 innings, he posted a 5–7 record with a 4.36 ERA and 90 strikeouts.
On July 30, 2023, Robberse and Adam Kloffenstein were traded to the St. Louis Cardinals in exchange for pitcher Jordan Hicks.
On November 14, 2023, the Cardinals added Robberse to their 40-man roster to protect him from the Rule 5 draft. He was optioned to the Triple–A Memphis Redbirds to begin the 2024 season.
Tekoah Roby.
Tekoah Clark Roby (; born September 18, 2001) is an American professional baseball pitcher for the St. Louis Cardinals of Major League Baseball (MLB).
Roby attended Pine Forest High School in Pensacola, Florida. He had committed to play college baseball for Troy University. He was drafted by the Texas Rangers in the third round