Riley O'Brien
St. Louis Cardinals pitcher
Riley O'Brien is a right-handed pitcher for the St. Louis Cardinals. He was drafted by the Cardinals in the first round of the 2020 MLB draft and made his major league debut in 2023. O'Brien has quickly established himself as one of the team's top pitching prospects, known for his fastball and slider. He has a strong work ethic and is always looking to improve his game. O'Brien is a native of the Midwest and grew up...
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