Ryan Zeferjahn career WHIP
1.30Career Regular Season
Ryan Zeferjahn has a career WHIP of 1.30 over 3 regular seasons.
- Best season on file: 0.76 in 2024.
- Most recent: 1.28 in 2026.
Average of 3 regular seasons, 2024 through 2026. Figures come from ESPN's box scores and were last read on September 22, 2026.

