the.com/fastball
The pitch with no plan B: thrown hard, dared to be hit.
means Baseball's fastest, straightest pitch, thrown for raw velocity rather than trickery, often the foundation of every pitcher's arsenal.
from American baseball coinage from the 1910s, literally a fast ball, replacing older terms like speeder as radar guns turned bragging into measurable fact.
Top speedAroldis Chapman clocked 105.8 mph in 2010.
Spin mattersBackspin creates lift, making it seem to rise.
Reaction timeBatters get under four-tenths of a second.
Hidden movementTwo-seam and four-seam grips behave differently entirely.