The correlation between ERA and UERA was 0.36 — not overwhelming, but pretty strong. That means that pitchers who are good at preventing earned runs are also generally good at preventing unearned runs ...

SIERA is an ERA estimator that holds pitchers accountable for the types of batted balls they allow; SIERA relies heavily on a pitcher's strikeout%2C walk and ground-ball rates ...

Tristan H. Cockcroft looks at the different factors that can affect earned run average, and why ERA is often not a great stat for projecting future performance.

The returning softball pitchers who led Section III in earned run average during the 2023 season. Stats are reported to syracuse.com by Section III coaches. Minimum of 20 innings pitched to qualify.