Ryan Zeferjahn
Height77
Weight209
Age27
High SchoolSeaman (KS)
Ryan Zeferjahn is a professional baseball player noted for his role as a pitcher. Born on February 28, 1998, in Topeka, Kansas, Zeferjahn honed his skills at Seaman High School before advancing to play college baseball at the University of Kansas. He was drafted in 2019 by the Boston Red Sox in the third round as the 29th pick.
Zeferjahn made his Major League Baseball debut on August 25, 2024, with the Los Angeles Angels. Standing 6 feet 5 inches tall and weighing 209 pounds, the right-handed pitcher has been an active player since his debut. In the 2025 season, Zeferjahn recorded a 4.737 ERA over 57 innings pitched, with 73 strikeouts and a WHIP of 1.4737. His performance included 6 wins and 5 losses in 62 appearances, primarily in a relief role.
Throughout his professional career, Zeferjahn has demonstrated a knack for striking out batters, with a strikeout rate of 11.529 K/9 innings in the 2025 season. His ability to maintain a low batting average against, at .227, highlights his effectiveness on the mound. Zeferjahn's early career metrics showcase his potential as a reliable bullpen asset, contributing to his team with critical innings in high-pressure situations.