Yoshinobu Yamamoto’s splitter use evolving

The Dodgers’ starting rotation, at full force, is home to some of the nastiest secondary pitches in baseball: Tarik Skubal’s changeup … Shohei Ohtani’s sweeper … Blake Snell and Tyler Glasnow’s curveballs.

All those pitches, though, as nasty as they are, are still secondaries. For every Dodgers ace, the most-used pitch in their arsenal remains the good old four-seam fastball.

For the first…