@IsaacZiemer 83.3
Velocity (max)
10/05/25
CLASS OF 2027
RHP
3B
Isaac
Ziemer
Stillwater Area (HS) • MN
6' 0" • 175LBS
R/R • 16yr 5mo
Travel Team: Take The Field
6' 0" • 175LBS
R/R • 16yr 5mo
Travel Team: Take The Field
Rankings
2027 National
Rankings available to Premium Subscriber
2027 State
Rankings available to Premium Subscriber
Commitment
UNCOMMITTED
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Best Of Stats
Fastball
82.6 - 83.3
Velo Range
10/05/25
1986
Spin Rate (avg)
10/05/25
Changeup
72.3 - 73.3
Velo Range
10/05/25
1672
Spin Rate (avg)
10/05/25
Positional Tools
Hitting
Hitting
Pitching
2025
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Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
83.3
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
83.0
Fastball
Spin Rate Avg
The average rate of spin for all pitches of this type in the given event year. Measured in rotations per minute (RPM).
1986
Fastball
Spin Score Avg
The average Bauer Units value of all fastballs in the given event year. Bauer Units are calculated for each pitch by dividing Spin Rate by Velocity.
23.9
Fastball
Total Movement Avg
The average total non-gravity movement for all pitches of this type in the given event year. Measured in inches (in).
Changeup
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
72.9
Changeup
Spin Rate Avg
The average rate of spin for all pitches of this type in the given event year. Measured in rotations per minute (RPM).
1672
Changeup
Total Movement Avg
The average total non-gravity movement for all pitches of this type in the given event year. Measured in inches (in).
Sinker
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
82.8
Sinker
Spin Rate Avg
The average rate of spin for all pitches of this type in the given event year. Measured in rotations per minute (RPM).
1965
Sinker
Total Movement Avg
The average total non-gravity movement for all pitches of this type in the given event year. Measured in inches (in).
MN Fall ID- Twin Cities
Oct 5, 2025
Trackman - Fastball
83.3
Velocity (max)
82.6 - 83.3
Velo Range
81.5
Eff Velocity (avg)
2,098
Spin Rate (max)
1,986
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Trackman - ChangeUp
73.3
Velocity (max)
72.3 - 73.3
Velo Range
71.2
Eff Velocity (avg)
1,784
Spin Rate (max)
1,672
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Spin Efficiency % (avg)
Trackman - Sinker
83.6
Velocity (max)
82.5 - 83.3
Velo Range
81.1
Eff Velocity (avg)
2,027
Spin Rate (max)
1,965
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Pitch Scores
Pitching Velos
2025
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
83.0
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
79.8
Changeup
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
70.2
Game Performance
Vizual Edge
Pitch Ai
Notes
News
Comments
Draft Reports
Contact
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Positional Profile: RHP/3B
Body: 6-0, 175-pounds.
Delivery: Standard start, high leg lift, knee moves forward, lands inline.
Arm Action: RH. Long AA, starts down and back, lassos up, late at footstrike, low 3/4 slot.
FB: T83, 83-83 mph. T2098, 1986 average rpm.
CH: 72-73 mph. T1784, 1672 average rpm.