Umpire Nic Lentz ejected Tampa Bay Rays' Taylor Walls for tapping his helmet, seemingly mistaking it for a challenge signal used in Minor League Baseball with the Automated Ball-Strike system.

Walls then tapped the top of his helmet a few times, at which point Lentz ejected him. Lentz thought the helmet tap was a reference to the Automated Ball-Strike System, which was tested during ...

Two primary components generally make up the helmet; the helmet shell and a detachable faceguard usually in the form of a metal ‘grill’. Helmets have now ... helmet performance and comparison with ...

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Video: Saved by his helmet: The heart-stopping moment a ball becomes lodged in cricketer's grill just INCHES from his face after being struck by a vicious bouncer ...