MLB‘s robot umpires won’t be rolled out for every game this spring, but they will be in play for Friday’s matchup between the Tampa Bay Rays and the New York Yankees at Steinbrenner Field in Tampa, Florida.

The Angels will play 11 games in which MLB will experiment with an automated balls and strikes system during spring training this year. MLB has determined that fans and players prefer a challenge

This year's MLB spring training could prove more consequential than any in years past as MLB will experiment with ABS, the Automated Ball-Strike Challenge System, to ensure the home plate umpire gets as many ball and strike calls correct as possible.