One of the weird FED differences is that imaginary line connecting 1st base and 3rd base.
In a FED game, if a ball lands behind that line in the infield, the ball is fair regardless of what happens afterwards. In OBR, the ball must touch outside the diamond for it to be ruled fair without it being touched (or stopped).
The mound is in FRONT of that line, since the pitcher's plate is 60'6" from the plate. Home to second (see OBR 1.04) is 127 feet 3-3/8 inches. Therefore, since the infield is a square, that imaginary line would be half that distance, or 63 feet 7-11/16 inches from home plate.
Rich
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