The Los Angeles Angels trailed by a run halfway through their May 28 game against the New York Yankees, and Willie Calhoun figured he'd plan ahead. Calhoun, a journeyman outfielder, thought he might be used as a late-game pinch hitter. So he made his way to Angel Stadium's indoor batting cage and turned on Trajekt Arc, the cutting-edge machine that has quickly become a go-to throughout the industry for its ability to replicate major league pitchers.
Calhoun cued up all of the Yankees' high-leverage relievers, most of whom he'd never faced, tracking as many pitches as he could over the course of a couple of innings.