New Debate over Helmets for Baseball Pitchers

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(CNN)  - Tampa Bay Rays pitcher Alex Cobb is out of the hospital after getting hit in the head by a line drive Saturday.

This is the latest head injury in the sport.

It has some asking what it's going to take for major league baseball to protect pitchers.
Rachel Nichols reports.

It is one of the most disturbing sights in the sport of baseball.

A pitcher-- defenseless-- getting hit in the head by a ball traveling more than 100 miles-an-hour and reaching the mound in about a third of a second.

Tampa Bay pitcher Alex Cobb tweeted that he woke up with quote "only a minor headache" the day after being hit by a line drive.

But he is hardly the only victim: just last month, Toronto’s J.A. Happ had to be removed from the field on a stretcher, blood pouring from his ear.

Last year, Arizona pitcher Brandon McCarthy required emergency brain surgery; he is still struggling with seizures.

David Price, Tampa Rays Pitcher:  "You don't think about it when you are on the mound because that will never... you'll have a positive outcome, but when you see it happen, and you see line drives and hard groundballs up the middle, you know, it definitely cross your mind."

And it's not just major-leaguers.

Gunnar Sandberg was 16-years-old when a line drive struck him in the head during a high school scrimmage.

Sandberg and his family would now like to see the widespread use of protective pitcher's helmets, like this prototype.

Gunnar Sandberg, High School Pitcher:  "I think it'll give everyone who wears it confidence out on the field"

But while Major League Baseball officials have studied several possibilities.

They note such helmets only cover about 40 percent of a player's head.

Cobb, for example, was hit in the ear, below the cap line.

Anything more protective, like a hockey goalie mask, is considered too bulky for a player to wear and still pitch properly.

David Price, Tampa Rays Pitcher:  "Whoever comes up with the solution for this, they're never going to have to work again in their life and probably for generations of their family won't have to work."

In a statement to CNN, the Tampa Bay Rays say Alex Cobb suffered a mild concussion and is resting at home now.