Toronto Sun24 天
Robot umpires are getting their first MLB test - here's what you need to know
A computerized system that calls balls and strikes is being tested during Major League Baseball spring training ... a challenge system in which the human umpire makes each original call.
AOL24 天
Robot umpires are getting their first MLB test during spring training
(AP) — A computerized system that calls balls and strikes is being tested during Major League Baseball spring training ... system in which the human umpire makes each original call.