NEW YORK (AP) — Major League Baseball is restricting iPad usage in dugouts to prevent the tablets from running artificial intelligence to help make decisions.

The tablets have access to video and league-provided data, and also included a custom tab where teams could access other programs. MLB made the custom tabs inaccessible to teams starting Wednesday night, when the second half of the season started.

“In many cases, the custom tab had expanded the use of the dugout iPads beyond their originally intended purpose to include recommendations regarding substitutions, pitch calling, and other in-game decisions traditionally made by players and coaches,” MLB executive vice president of baseball operations Morgan Sword wrote in a June 11 memo to general managers, assistant GMs and video coordinators.

The memo, first reported by The Athletic, was obtained by The Associated Press.

A review by the competition committee found clubs had been compliant with the regulations.

“Instituting this prohibition beginning with the second half of the season is intended to provide clubs that have relied on the custom tab with appropriate lead-time to make any necessary adjustments,” Sword wrote.

MLB started a pilot program allowing use of iPads in dugouts with restrictions late in the 2015 season and expanded their use in 2016 under a deal with Apple. Video was eliminated in the 2020 COVID season following the Houston Astros’ sign-stealing scandal, then returned in 2021.

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