

William Carson Spiers (born November 11, 1997) is an American professional baseball pitcher for the Cincinnati Reds of Major League Baseball (MLB). He made his MLB debut in 2023.
Amateur career
Spiers attended Greenville High School in Greenville, South Carolina, where he played baseball as a third baseman and American football as a quarterback. Colleges recruited him for both sports.
Spiers enrolled at Clemson University and played college baseball for the Clemson Tigers. He made three appearances as a pitcher in 2017, his freshman year. The next season, he had a 2.08 earned run average (ERA) as a middle reliever. In 2018, he played collegiate summer baseball with the Falmouth Commodores of the Cape Cod Baseball League, where he had a 0.84 ERA. He became Clemson's closer in 2019. In his collegiate career, from 2017 to 2020, Spiers had a 7–7 win–loss record, a 2.47 ERA, 19 saves and 103 strikeouts in 109+1⁄3 innings pitched, all as a relief pitcher.
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Milestones
Former Youth Teams ![]()





