Invented in a computer lab and hasn't caught on in the states until Daisuke Matsuzaka throws it in a game this season
http://www.popularmechanics.com/blogs/science_news/4201430.html
Interesting how a game as old as baseball continues to evolve with technology
http://www.popularmechanics.com/blogs/science_news/4201430.html
Interesting how a game as old as baseball continues to evolve with technology