F-Strike%
Share of plate appearances that began with a strike.
What F-Strike% means
Pitcher pace stat. League average ~60%; elite control arms sit > 65% — a foundational command marker.
What counts as a good F-Strike%
Higher is better — roughly 56 is poor, 60 average, 64 good, and 68 or better elite.
Also written
fstrike_pct · first_strike_pct