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 ...

Junior Cael Wishman led the Iowa Star Conference South Division in homers and on-base percentage, junior Colton Moffit ...

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.