Video below shows the last two in the sequence. Rōki Sasaki could just throw a Splitter every pitch. Yes, those are indeed splitters, not sliders. That offering is what makes Sasaki so unique ...

A little more than a decade ago, a pitcher by the name of R.A. Dickey threw a kind of knuckleball that baseball had essentially never seen. Now Roki Sasaki might be taking it a step further.