For a while, whether you called it a forkball or a splitter, Roki Sasaki threw one signature offspeed pitch. You could ...

The split-fingered fastball is the "it" pitch right now, but it is still rarely thrown by left-handed pitchers. Why is that?

WASHINGTON –– It’s a pitch without a name. A breakthrough development nobody quite knows how to label. Since the start of spring training this year, Roki Sasaki has been working on a new third weapon ...