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The Washington Nationals announced today that Simon Mathews has been named the team’s new pitching coach. Mathews, 30, joins the Nationals after a five-year stint with the Cincinnati Reds organization, where he most recently served as the Reds’ assistant pitching coach during the 2025 season. Before that, he played key roles in the Reds’ player development and rehab programs, spending time as assistant coordinator of rehabilitation and pitching initiatives, rehab pitching coordinator, and leading pitching development efforts at the team’s Dominican Republic academy.
“Simon brings a tremendous amount of knowledge and a wide range of experience to our staff,” Butera said in the team’s announcement. “He is grounded, has great perspective on pitching, and connects incredibly well with players at all levels. He’s widely respected throughout the game and the type of coach who makes everyone around him better. Simon is a tireless worker and is uniquely equipped to help our pitchers reach their full potential.”
Before his time with Cincinnati, Mathews helped pitchers sharpen their craft at Push Performance in Tempe, Arizona, where he served as director of pitching, and as an online trainer with Driveline Baseball. In those roles, he developed individualized throwing programs focused on improving movement efficiency, velocity development, and overall arm health.
Mathews originally entered pro baseball as a non-drafted free agent with the Los Angeles Angels in 2017. Over three seasons in the Angels’ system, he made 71 appearances and reached Triple-A Salt Lake in both 2018 and 2019.
A Georgetown University alumnus, Mathews pitched for the Hoyas from 2015 to 2017 after transferring from Temple University. As a senior, he set a program record with 85 strikeouts and finished his college career among Georgetown’s all-time leaders in wins, ERA, and strikeouts. He graduated in 2017 with a degree in political economy and minors in Spanish and Portuguese.