#AFVFAM #AFV #funny
MLB could begin testing ball-strike challenge system in majors as soon as spring training, says Rob Manfred
CBS Sports
Manfred said Tuesday that the system will not be introduced without a trial run first
#AFVFAM #AFV #funny
Manfred said Tuesday that the system will not be introduced without a trial run first
Rechargeable solid-state lithium batteries are an emerging technology that could someday power cell phones and laptops for days..