Houston Astros minor league players
This a partial list of Minor League Baseball players in the Houston Astros system and the rosters of their minor league affiliates.
Players
Luis Báez
Luis Alexander Báez is a Dominican professional baseball outfielder in the Houston Astros organization.Báez signed with the Houston Astros as an international free agent in January 2022. He made his professional debut with the Dominican Summer League Astros.
Báez played 2023 with the Florida Complex League Astros and Fayetteville Woodpeckers. He started 2024 with the Asheville Tourists.
Wes Clarke
David "Wes" Clarke is an American professional baseball first baseman and catcher in the Houston Astros organization.Clarke attended Liberty Christian Academy in Lynchburg, Virginia. He was drafted by the Milwaukee Brewers in the 40th round of the 2018 Major League Baseball draft, but did not sign with the Brewers and played college baseball at the University of South Carolina. As a junior in 2021, he hit 23 home runs which was tied with Matheu Nelson for most in the nation that year.
Clarke was again drafted by the Brewers, this time in the 10th round of the 2021 MLB draft. He spent his first professional season with the Arizona Complex League Brewers and Carolina Mudcats. He played 2022 with the Wisconsin Timber Rattlers and Biloxi Shuckers and 2023 with Biloxi. After the 2023 season, Clarke played in the Arizona Fall League.
On June 17, 2025, the Brewers traded Clarke to the Houston Astros in exchange for cash considerations.
Tyler Guilfoil
Tyler Hanley Guilfoil is an American professional baseball pitcher in the Houston Astros organization.Guilfoil grew up in Lexington, Kentucky, and attended Lafayette High School.
Guilfoil began his college baseball career at Lipscomb. He was named second-team All-ASUN Conference as a junior after going 3–1 with a 3.25 ERA and 53 strikeouts in 17 relief appearances. Guilfoil transferred to Kentucky after the season. In his only season with the Wildcats, he made 21 relief appearances and went 3–1 with six saves and a 1.59 ERA while striking out 80 batters.
Guilfoil was selected by the Houston Astros in the 8th round of the 2022 Major League Baseball draft. After signing with the team he was assigned to the Rookie-level Florida Complex League Astros and was later promoted to the Single-A Fayetteville Woodpeckers. Guilfoil made seven pitching appearances between the two teams and struck out 31 batters and had a 0.52 ERA over innings pitched.
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Michael Knorr
Knorr attended Carlsbad High School in Carlsbad, California. He was selected by the San Diego Padres in the 40th round of the 2018 Major League Baseball draft, but did not sign. He played three years of college baseball at California State University, Fullerton before transferring to Coastal Carolina University in 2022.
After one year at Coastal Carolina, Knorr was selected by the Houston Astros in the third round of the 2022 Major League Baseball draft. He signed with the Astros and spent his first professional season in 2023 with the Fayetteville Woodpeckers and Asheville Tourists. He started 2024 with the Corpus Christi Hooks.
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Rhett Kouba
Kouba attended El Reno High School in El Reno, Oklahoma. As a senior, he went 6–2 with a 0.94 ERA and 79 strikeouts. He then played two seasons of collegiate baseball at North Central Texas College and one season at Dallas Baptist University. During his lone season at Dallas Baptist in 2021, Kouba appeared in 16 games and went 6–2 with a 2.77 ERA. After the season, he was selected by the Houston Astros in the 12th round of the 2021 Major League Baseball draft.
Kouba signed with the Astros and played his first professional season with the Florida Complex League Astros and the Fayetteville Woodpeckers, pitching innings. He split the 2022 season between the Woodpeckers and the Asheville Tourists, appearing in 18 games and going 6–3 with a 4.08 ERA and 85 strikeouts over innings. He was selected to play in the Arizona Fall League for the Surprise Saguaros. Kouba opened the 2023 season with the Corpus Christi Hooks. In late August, he was promoted to the Sugar Land Space Cowboys. Over 28 games between the two teams, Kouba went 8-7 with a 3.45 ERA and 136 strikeouts over 128 innings. After the season, he won the 2023 Texas League Pitcher of the Year Award for his performance with Corpus Christi. Kouba was assigned to Sugar Land to open the 2024 season. Over 14 games for the season, he went 2-5 with a 6.43 ERA and 41 strikeouts over 49 innings. Kouber returned to Sugar Land for the 2025 season and pitched to a 4-3 record, 5.06 ERA, and 51 strikeouts over 80 innings.
Bryce Mayer
Mayer attended St. Francis Borgia High School in Washington, Missouri and played college baseball at St. Charles Community College and the University of Missouri. He was selected by the Houston Astros in the 16th round of the 2024 Major League Baseball draft.
Mayer made his professional debut in 2024 with the Fayetteville Woodpeckers. He started 2025 with Fayetteville and was promoted to the Asheville Tourists and Corpus Christi Hooks during the season.
Jackson Nezuh
Jackson Thomas Nezuh is an American professional baseball pitcher in the Houston Astros organization.Nezuh attended TNXL Academy in Ocoee, Florida and played college baseball at Florida State University for two seasons before transferring to University of Louisiana at Lafayette. In 2022, he played collegiate summer baseball with the Brewster Whitecaps of the Cape Cod Baseball League. After one year at Louisiana, he was selected by the Houston Astros in the 14th round of the 2023 Major League Baseball draft.
Nezuh made his professional debut in 2024 with the Fayetteville Woodpeckers and ended the season with the Asheville Tourists. He started 2025 with the Corpus Christi Hooks.
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Ethan Pecko
Pecko grew up in Ridley Park, Pennsylvania and attended Ridley High School in Folsom, Pennsylvania. After graduating in 2020, he enrolled at La Salle University but missed his freshman year in 2021 after undergoing UCL surgery. La Salle eliminated baseball following the 2021 season, and Pecko transferred to Towson University. As a redshirt sophomore in 2023, he went 2-2 with a 3.21 ERA and 48 strikeouts. After the season, he played collegiate summer baseball in the Northwoods League with the Wausau Woodchucks. Pecko was selected by the Houston Astros in the sixth round of the 2023 Major League Baseball draft.
Pecko made his professional debut in 2023 with the Florida Complex League Astros and also spent time with the Fayetteville Woodpeckers. Over 15 innings, he posted a 6.60 ERA. Pecko was assigned to Fayetteville to open 2024 and was promoted to the Asheville Tourists and Corpus Christi Hooks during the season. Over 26 games between the three teams, Pecko went 4-6 with a 3.47 ERA and 125 strikeouts over 96 innings and was named the Astros 2024 Minor League Pitcher of the Year. He was assigned to Corpus Christi to open the 2025 season, missing some time due to injury and rehabbing in the Complex League. Over 11 games with Corpus Christi, Pecko posted a 4.40 ERA and 45 strikeouts. In early August, he was promoted to the Sugar Land Space Cowboys. Over eight games with Sugar Land to end the season, Pecko went 1-4 with a 3.09 ERA and 48 strikeouts over 35 innings.
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Alimber Santa
On February 28, 2020, Santa signed with the Houston Astros as an international free agent. He did not play in a game in 2020 due to the cancellation of the minor league season because of the COVID-19 pandemic. Santa made his professional debut in 2021, splitting the season between the Dominican Summer League Astros and rookie-level Florida Complex League Astros. He made three appearances split between the FCL Astros and Single-A Fayetteville Woodpeckers in 2022, struggling to a 13.50 ERA with four strikeouts over two innings of work.
Santa returned to Fayetteville for the 2023 season, registering a 3-9 record and 5.98 ERA with 119 strikeouts across innings pitched. He split the 2024 season between the FCL Astros, the Single-A Fayetteville Woodpeckers, and Double-A Corpus Christi Hooks. In 19 appearances for the three affiliates, Santa posted a combined 1-2 record and 6.47 ERA with 49 strikeouts and one save across innings pitched.
Santa began the 2025 season with Double-A Corpus Christi. He was selected to represent the Astros organization at the 2025 All-Star Futures Game.
Alex Santos
Alex Zavier Santos is an American professional baseball pitcher in the Houston Astros organization.Santos grew up in The Bronx and attended Mount Saint Michael Academy. He had committed to play college baseball at Maryland.
Santos was selected in the 2nd round of the 2020 MLB draft by the Houston Astros. He signed with the team and received a $1.25 million signing bonus. Santos spent the 2021 season with the Fayetteville Woodpeckers of the Low-A East and posted a 2–2 record with a 3.46 ERA and 48 strikeouts in innings pitched.
Lucas Spence
Lucas Edward Spence is an American professional baseball outfielder in the Houston Astros organization.Spence played college baseball at the Black Hawk College and Southern Illinois University Edwardsville. After going unselected in the 2024 Major League Baseball draft, he signed with the Houston Astros as an undrafted free agent.
Spence made his professional debut with the Fayetteville Woodpeckers. He started 2025 with Fayetteville before being promoted to the Asheville Tourists and Corpus Christi Hooks.