Jacob Kowalski
High Performance Training
Athlete Profile
Records
PRs
Sinker
Peak Velocity:83.1 mph(08/26/25)
Best Avg Velocity:82.2 mph(08/26/25)
Slider
Peak Velocity:74.2 mph(08/26/25)
Best Avg Velocity:73.5 mph(08/26/25)
Changeup
Peak Velocity:78.2 mph(08/26/25)
Best Avg Velocity:77.4 mph(08/26/25)
Curveball
Peak Velocity:68.7 mph(08/26/25)
Best Avg Velocity:--
Sweeper
Peak Velocity:70.2 mph(08/26/25)
Best Avg Velocity:--
Average velocity PRs require at least 3 pitches of the same type in a session.
Ball Flight
Typical Pitch Tilt
Curveball
7:30
Sinker
2:15
Slider
9:35
Sweeper
7:52
Changeup
1:60
Shows average tilt for each pitch type from the most recent 3 sessions.
Avg. Release Point
CB
SI
SL
SW
CH
Chart shows average release point for each pitch type from the most recent 3 sessions.
Avg. Movement Profile
Pitcher's View
CB
SI
SL
SW
CH
Chart shows average movement for each pitch type from the most recent 3 sessions.
Pitch Mix xPerformance
LiteStuff+
Average LiteStuff+ from the most recent 3 sessions.
College xSwing
Average expected swing rate against college batters from the most recent 3 sessions.
College xDamage
Average expected damage against college batters from the most recent 3 sessions.
Pro xSwing
Average expected swing rate against pro batters from the most recent 3 sessions.
Pro xDamage
Average expected damage against pro batters from the most recent 3 sessions.