A new take on why a knuckleball is so hard to hit
For a century of baseball, give or take, the conventional wisdom has been that knuckleballs are hard to hit because they flutter, wobble or zigzag on their way to the plate. But a new study indicates that knuckleballs stick to their trajectory nearly as closely as every other type of pitch. But several factors make the knuckleball unique — and uniquely difficult to hit.
na. Bonnie Berkowitz and Alberto Cuadra — The Washington Post.