Umpire Ángel Hernández, in a lawsuit filed against Major League Baseball, said his accuracy on ball-strike calls increased from 92.19% in 2012 to 96.88% in 2016. The strike zone will be measured two-dimensionally at the front of home plate. One concern is what to call a pitch that comes through the strike zone and bounces on the plate, such as a sharp curveball, or a breaking ball at the chin that drops into the zone. The rule book says the strike zone is square, the area over home plate ranging from the midpoint between a batter’s shoulders and the top of his uniform pants to the hollow beneath the kneecap. "And I think we have a lot of work to do to decide what is the zone with this automated system?

Source: Fox News March 17, 2021 21:33 UTC