MLB’s ABS challenge system has Diamondbacks fans debating pros and cons

With one week into the regular season, baseball fans have many comments and opinions on the new ABS challenge system — ...
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How does the ABS challenge system work and how will it impact games?

Why are these players tapping their heads?
Major League Baseball

Are players challenging enough ABS calls? It's a work in progress

The first official challenge of the ABS era came from a Yankees batter on Opening Night, when José Caballero challenged a ...