Cooper: Technology has transformed the coaching of hitters faster than expected

From J.J. Cooper at Baseball America on January 7, 2019:

Imagine you take a visit to the doctor. You haven’t felt well for a few days. You alternate between feeling like you’re going to freeze and moments where you’re sweating.

So you walk into the doctor’s office. She comes in, puts the back of her hand to your forehead and says “Yep, you’ve got a fever.”

Understandably, you’d be a little perplexed. After seeing many patients, a doctor may have a finely tuned ability to discern someone’s fever just by touch. But that still doesn’t come close to the ability of a thermometer to deliver a more precise measurement.

When it comes to hitting. Until very recently, hitting coaches had little option other than to try to measure hitters like they were measuring a fever with the back of their hand. Now everyone is adjusting to a world with thermometers.

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Originally published: January 10, 2019. Last Updated: January 10, 2019.