Posted by: Chris O'Leary (chris@chrisoleary.com) on Sun Jun 24 07:40:31 2007

"I have actually heard a head coach and ump discuss pre game and say "chalk to chalk"." What the.....?" this is an additional 4" on each side not to mention additional total area % increase. If rough math is correct this is large. This is using 2 ft.as hgt."

The rules of baseball say that a ball is a strike if any portion of the ball passes through the strike zone. Given that the ball is a little more than 2 inches in diameter, that means the strike zone is 2+17+2=21 inches wide.