@TyZiesemer 81
Velocity (max)
7/31/26
CLASS OF 2029
LHP
Ty
Ziesemer
Lake Country Lutheran (HS) • WI
5' 9" • 153.9LBS
R/L • 15yr 9mo
Travel Team: Hitters
5' 9" • 153.9LBSR/L • 15yr 9mo
Travel Team: Hitters
Rankings
2029 National
Rankings available to Premium Subscriber
2029 State
Rankings available to Premium Subscriber
Commitment
UNCOMMITTED
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Best Of Stats
Fastball
79.7 - 80.5
Velo Range
7/31/26
1963
Spin Rate (avg)
7/31/26
Changeup
73 - 74.5
Velo Range
7/31/26
1337
Spin Rate (avg)
8/11/26
Curveball
68 - 68
Velo Range
6/10/26
2009
Spin Rate (avg)
3/08/26
Slider
69 - 72
Velo Range
8/11/26
1951
Spin Rate (avg)
7/31/26
69.9
Exit Velocity (max)
4/04/24
62.9
Exit Velocity (avg)
4/04/24
191
Distance (max)
4/04/24
33
Sweet Spot %
4/04/24
9.26
60-yd
4/04/24
-
30-yd
-
10-yd
-
Run speed (max)
-
INF Velo
60
OF Velo
4/04/24
-
C Velo
-
Pop Time
Physical
2026
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Grip Strgth (LH)
Grip strength is a measure of a players bat control and ability to transfer power and speed during impact, measured in pounds of force generated; collected with elbow bent at 90 degrees.
Grip Strgth (RH)
Grip strength is a measure of a players bat control and ability to transfer power and speed during impact, measured in pounds of force generated; collected with elbow bent at 90 degrees.
Positional Tools
2024
60 Yard Dash
The athlete's fastest 60-yard dash time in the given event year. Measured in seconds (s)
9.26
Outfield Velocity
The athlete's maximum throwing velocity from an outfield position in the given event year. Measured in miles per hour (MPH).
60.0
Power / Speed Score
A simple calculation that divides the athlete’s Exit Velocity Max by the athlete’s 60 Yard Dash time for the given event year. For example, 98 MPH / 7.00s = 14.00.
7.5
Hitting
2024
Exit Velocity Max
The highest exit velocity of any batted ball in the given event year. Measured in miles per hour (MPH).
69.9
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
62.9
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
191
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
109
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
21.2041
Hard Hit %
Percentage of batted balls with exit velocities over 90 MPH in the given event year.
Sweet Spot %
Percentage of batted balls in the given event year with a launch angle between 8° and 32°.
Line Drive %
Percentage of batted balls with launch angles between 10 and 25 degrees in the given event year.
Fly Ball %
Percentage of batted balls with launch angles between 25 and 50 degrees in the given event year.
Ground Ball %
Percentage of batted balls with launch angles below 10 degrees in the given event year.
South Milwaukee Rising Stars ID
Apr 4, 2024
Trackman - Hitting
69.9
Exit Velocity (max)
62.9
Exit Velocity (avg)
109
Distance (avg)
191
Distance (max)
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Pitching
2026
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
80.6
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
79.2
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).
1938
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.
24.5
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).
Curveball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
64.2
Curveball
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).
2009
Curveball
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).
73.1
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).
1280
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).
Slider
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
70.2
Slider
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).
1889
Slider
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).
76.9
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).
1715
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).
Wisconsin State Games (Invite-Only)
Aug 11, 2026
Trackman - Fastball
79.5
Velocity (max)
77.7 - 79.3
Velo Range
78.1
Eff Velocity (avg)
2,056
Spin Rate (max)
1,942
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Trackman - Slider
72.4
Velocity (max)
69.1 - 71.9
Velo Range
69.6
Eff Velocity (avg)
2,129
Spin Rate (max)
1,864
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Trackman - ChangeUp
74.2
Velocity (max)
72.7 - 73.9
Velo Range
72.5
Eff Velocity (avg)
1,995
Spin Rate (max)
1,337
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
2026 Midwest Super Sophomore Games (Invite-Only)
Jul 31, 2026
Trackman - Fastball
80.6
Velocity (max)
79.7 - 80.5
Velo Range
78.6
Eff Velocity (avg)
2,235
Spin Rate (max)
1,963
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Trackman - Slider
71.9
Velocity (max)
67.2 - 71.9
Velo Range
68.2
Eff Velocity (avg)
2,225
Spin Rate (max)
1,951
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Spin Efficiency % (avg)
Trackman - ChangeUp
74.6
Velocity (max)
73.0 - 74.5
Velo Range
72.6
Eff Velocity (avg)
1,354
Spin Rate (max)
1,163
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Trackman - Sinker
80.1
Velocity (max)
77.9 - 79.7
Velo Range
77.9
Eff Velocity (avg)
2,000
Spin Rate (max)
1,803
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
South Milwaukee Preseason ID
Mar 8, 2026
Trackman - Fastball
79.0
Velocity (max)
77.7 - 78.7
Velo Range
76.1
Eff Velocity (avg)
1,940
Spin Rate (max)
1,838
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Trackman - Curveball
65.3
Velocity (max)
62.9 - 65.3
Velo Range
63.1
Eff Velocity (avg)
2,047
Spin Rate (max)
2,009
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
72.1
Velocity (max)
70.9 - 72.1
Velo Range
71.3
Eff Velocity (avg)
1,370
Spin Rate (max)
1,328
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Trackman - Sinker
74.7
Velocity (max)
73.1 - 74.7
Velo Range
72.4
Eff Velocity (avg)
1,685
Spin Rate (max)
1,584
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
2026
Fastball
Rise+
A fastball with rise has a high percentage of backspin. When thrown up in the zone, it is more likely to generate a higher fly ball percentage. Rise+ of 100 is MLB average
Sinker
Rise+
A fastball with rise has a high percentage of backspin. When thrown up in the zone, it is more likely to generate a higher fly ball percentage. Rise+ of 100 is MLB average
Pitching Velos
2026
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
81.0
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
78.8
Changeup
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
72.6
Slider
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
70.0
2026
RSI
The reactive strength index measurement of an athlete's explosiveness by comparing their jump height to the ground contact time in between their jumps. On a scale of 0-5.
Vertical Jump
A measure of any athlete's body strength and reach calculated from the flight time divided by the contact time.
Game Performance
Notes
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Comments
Draft Reports
Contact
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Ty Ziesemer, Lake Country Lutheran (WI), 2029
Positional Profile: LHP
Body: 5-9, 154-pounds. Athletic and lean frame with plenty of room to add size and strength as he continues to mature.
Delivery: Loose and easy operation, controlled leg-lift, simple and works in-line, tall/fall lower-half.
Arm Action: LH. Hides it on the backside, longer out of the glove, high 3/4 slot.
FB: T79, 78-79 mph. 4S: Some carry traits with run arm-side. SINK: Heavy arm-side run. T1940, 1838 average rpm.
CB: 63-65 mph. Two plane breaking action to the pitch, sharp breaker. T2047, 2009 average rpm.
CH: 71-72 mph. Thrown with fastball intent, can land in zone, late bottom to the pitch. T1370, 1328 average rpm.
ATH: 19.60 max vertical.
TY Ziesemer, N/A (WI), 2029
Positional Profile: OF/LHP
Body: 5-3, 115-pounds.
Hit: RHH. Wide base, high hands, loads with rhythm and repeats. Short and compact, flat through the ball, hits to all fields.
Power: 70 max exit velocity, averaged 62.9 mph. 191' max distance.
Arm: LH. OF-60 mph. 3/4 slot with accuracy and some carry.
Defense: Aggressive through the ball, one hand gather, gets rid of it quickly.
ATH: 9.26 runner in the 60.