Carson Seymour Bio
Carson James Seymour is an American professional baseball pitcher for the San Francisco Giants of Major League Baseball (MLB). He made his MLB debut in 2025 after being drafted by the New York Mets in the sixth round of the 2021 draft. Prior to his professional career, he attended Great Oak High School and played college baseball at Dartmouth College and Kansas State University.
Early Life and Background
Carson James Seymour was born on December 16, 1998, in Temecula, California. Growing up in a region known for its warm climate and sports culture, Seymour was exposed to baseball at an early age. He attended Great Oak High School, where he honed his skills as a pitcher and developed a passion for the game.
After high school, Seymour continued his education and baseball career at Dartmouth College, where he played for the college team. He later transferred to Kansas State University, further enhancing his skills and preparing for a professional career in baseball.
Path to Baseball
Seymour’s journey to professional baseball began with his participation in collegiate summer baseball leagues. In 2019, he played with the Harwich Mariners of the Cape Cod Baseball League, gaining valuable experience against some of the best amateur players in the country. The following year, he played with the Rockford Rivets in the Northwoods League, showcasing his talent during a challenging season affected by the COVID-19 pandemic.
In 2021, Seymour was drafted by the New York Mets in the sixth round of the MLB draft. He made his professional debut later that year with the rookie-level Florida Complex League Mets, marking the beginning of his career in Major League Baseball.
Carson Seymour Career
Early Career (2021–2022)
Carson Seymour’s professional career began in 2021 when he played for the Florida Complex League Mets. His performance earned him a promotion to the Single-A St. Lucie Mets in 2022, where he posted an impressive 4-0 record with a 1.19 earned run average (ERA) and 27 strikeouts in just seven games. Following this success, he was promoted to the High-A Brooklyn Cyclones, where he continued to develop his skills on the mound.
During the 2022 season, Seymour faced challenges but also showcased his potential, finishing with a 1-5 record and a 3.68 ERA over 11 games. His ability to strike out batters became a hallmark of his early career, setting the stage for his future in the league.
Breakthrough (2023–2025)
On August 2, 2022, Carson Seymour was traded to the San Francisco Giants, where he began his journey with the organization. He started with the High-A Eugene Emeralds and quickly moved up the ranks. In 2023, he pitched for the Double-A Richmond Flying Squirrels, achieving a 5-3 record with a 3.99 ERA and 114 strikeouts over 112+2⁄3 innings pitched across 28 appearances.
In 2024, Seymour continued to impress while playing for the Triple-A Sacramento River Cats, where he made 29 appearances and posted a 7-10 record with a 4.82 ERA. His performance led to his addition to the Giants’ 40-man roster, protecting him from the Rule 5 draft. In 2025, he began the season with the River Cats before making his highly anticipated MLB debut on June 29, 2025. He recorded his first career win on September 5, 2025, against the St. Louis Cardinals.
Notable Works and Milestones
Throughout his rookie season, Carson Seymour made 16 appearances for the San Francisco Giants, achieving a 1-3 record and a 4.75 ERA with 26 strikeouts over 36 innings. His journey from college baseball to the major leagues highlights his dedication and talent as a pitcher.
Carson Seymour Award Nominations
As of now, Carson Seymour has not received any major award nominations in his professional baseball career.
Carson Seymour Awards Won
Carson Seymour has not won any major awards during his career thus far.
Carson Seymour Family
Carson Seymour is married to Sydney Campbell, whom he wed in 2024. The couple shares a love for animals and has a white Labrador retriever named Goose.
Personal Life
Carson Seymour maintains a relatively private personal life, focusing on his career in baseball. His marriage to Sydney Campbell marks a significant milestone in his life, and they enjoy their time together with their pet dog.
