Bat speed
Average swing speed measured at sweet-spot impact (mph).
What Bat speed means
New Statcast metric (2024+). League average ~71 mph; elite hitters average 76+.
What counts as a good Bat speed
Higher is better — roughly 68 is poor, 71 average, 74 good, and 76 or better elite.
Also written
avg_bat_speed · swing_speed
Source
Statcast