AUTOGRAPHS

What is the difference between all the different baseballs?

I know in mlb play they use ROMLB, but what makes those different from OLB3, ROLB1, ROLB1X, etc and which one is closest to what they actually use?

Another difference between different balls are the size and height of the laces. The Major League laces are smaller and are hardly raised where as high school balls have bigger and higher raised laces. It allows for more movement ofcourse.

Aroldis Chapman Signing Autographs 3/27/11

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