NEW YORK (AP) — Major League Baseball plans to use its robot umpire technology for ball-strike challenges in Tuesday’s All-Star Game at Atlanta, another step toward possible regular-season use ...

This spring, MLB players can challenge ball and strike calls. The camera-based system is only an experiment for now — but it has the baseball world wondering where to draw the line with technology.

Teams won 52.2% of their ball/strike challenges during the spring training test, with 617 of 1,182 challenges successful in the 288 exhibition games using the Automated Ball-Strike System.