MLB exploring using tech to help call balls and strikes

If you follow baseball with even a passing interest, you know that nearly everyone’s got a way to “fix” the national pastime. Pitch clocks, moving the mound — there are a million ideas for how to curb waning interest in the sport. Robo umpires have long been on the list, as well, but given the sort of pushback things like instant replay have traditionally received among the fan base, that’s always seemed like a bit of a technological pipe dream.
That, however, is pr