MLB is implementing the ABS challenge system for the first time in 2026. And while we’ve already seen it in action in the regular season’s first two days, its most extensive usage to date in the big leagues came during spring training. Keeping in mind that we’re working with small sample sizes, I looked at the spring training ABS Challenge data, which was compiled into a helpful dashboard on Statcast. Here’s what I learned—and what teams may be thinking about as the regular season kicks into gear.
