@owen_tsau 20.5
Hand Speed (max)
1/19/25
CLASS OF 2027
SS
RHP
Owen
Tsau
Boulder Creek (HS) • AZ
5' 9" • 150.4LBS
R/R • 16yr 8mo
Travel Team: Diamond Sports D1 baseball/Anthem Blue
5' 9" • 150.4LBSR/R • 16yr 8mo
Travel Team: Diamond Sports D1 baseball/Anthem Blue
Rankings
2027 National
Rankings available to Premium Subscriber
2027 State
Rankings available to Premium Subscriber
Commitment
UNCOMMITTED
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Best Of Stats
72
Bat Speed (max)
6/10/25
15.8
Rot. Acc (max)
6/10/25
17
Hard Hit %
6/10/25
94.2
Exit Velocity (max)
6/10/25
85.4
Exit Velocity (avg)
6/10/25
335
Distance (max)
6/10/25
44
Sweet Spot %
6/10/25
6.99
60-yd
6/10/25
3.86
30-yd
1/19/25
1.68
10-yd
1/19/25
19.9
Run speed (max)
6/10/25
87
INF Velo
6/10/25
-
OF Velo
-
C Velo
-
Pop Time
Fastball
84.4
Velocity (max)
6/10/25
81 - 83.1
Velo Range
6/10/25
1871
Spin Rate (avg)
6/10/25
Curveball
-
Velo Range
1947
Spin Rate (avg)
6/10/25
Slider
68.9 - 69.7
Velo Range
6/10/25
1787
Spin Rate (avg)
6/10/25
Positional Tools
2025
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60 Yard Dash
The athlete's fastest 60-yard dash time in the given event year. Measured in seconds (s)
7.03
Infield Velocity
The athlete's maximum throwing velocity from an infield position in the given event year. Measured in miles per hour (MPH).
87.0
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.
13.4
Hitting
2025
Exit Velocity Max
The highest exit velocity of any batted ball in the given event year. Measured in miles per hour (MPH).
94.2
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
83.0
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
335
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
188
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
17.9165
Hard Hit %
Percentage of batted balls with exit velocities over 95 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.
Top Prospect Games: Class of 2027 (Invite-Only)
Jun 10, 2025
Trackman - Hitting
94.2
Exit Velocity (max)
85.4
Exit Velocity (avg)
171
Distance (avg)
335
Distance (max)
Hard Hit %
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Peoria Preseason ID
Jan 19, 2025
Trackman - Hitting
89.4
Exit Velocity (max)
80.4
Exit Velocity (avg)
207
Distance (avg)
285
Distance (max)
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Hitting
2025
Hand Speed Max
The highest Peak Hand Speed of any swing in the given event year.
20.5
Hand Speed Avg
The average Peak Hand Speed for all swings in the given event year.
19.3
Bat Speed Max
The highest Bat Speed of any swing in the given event year.
72.0
Bat Speed Avg
The average Bat Speed for all swings in the given event year.
68.6
Rotational Acceleration Max
The highest Rotational Acceleration of any swing in the given event year.
Rotational Acceleration Avg
The average Rotational Acceleration for all swings in the given event year.
On-Plane Efficiency Max
The highest On-Plane Efficiency of any swing in the given event year.
On-Plane Efficiency Avg
The average On-Plane Efficiency for all swings in the given event year.
Top Prospect Games: Class of 2027 (Invite-Only)
Jun 10, 2025
Blast - Hitting
20.4
Hand Speed (max)
19.5
Hand Speed (avg)
72.0
Bat Speed (max)
68.9
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
Peoria Preseason ID
Jan 19, 2025
Blast - Hitting
20.5
Hand Speed (max)
19.1
Hand Speed (avg)
71.0
Bat Speed (max)
68.3
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
Pitching
2025
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
84.4
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
82.1
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).
1871
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.
22.8
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).
69.1
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).
1947
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).
Slider
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
69.3
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).
1787
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).
Top Prospect Games: Class of 2027 (Invite-Only)
Jun 10, 2025
Trackman - Fastball
84.4
Velocity (max)
81.0 - 83.1
Velo Range
79.6
Eff Velocity (avg)
2,031
Spin Rate (max)
1,871
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
69.1
Velocity (max)
66.9
Eff Velocity (avg)
1,947
Spin Rate (max)
1,947
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
69.7
Velocity (max)
68.9 - 69.7
Velo Range
67.0
Eff Velocity (avg)
1,809
Spin Rate (max)
1,787
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
2025
Fastball
Hop+
A fastball with hop has a flat approach angle and visually jumps through the zone. When thrown up in the zone, it is more likely to generate a higher swing and miss average. Hop+ of 100 is MLB average.
Fastball
Sink+
A fastball with sink has low backspin and drops through the strike zone. When thrown down in the zone, it is more likely to generate a higher ground ball percentage and lower launch angle. Sink+ of 100 is MLB average.
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
Pitching Velos
Game Performance
2025
10 Yard Dash
The athlete's fastest 0-10-yard split time in the given event year. Measured in seconds.
1.68
30 Yard Dash
The athlete's fastest 0-30-yard split time in the given event year. Measured in seconds.
3.86
60 Yard Dash
The athlete's fastest 0-60-yard time in the given event year. Measured in seconds.
6.99
Top Speed (MPH)
The athlete's fastest split time converted to miles per hour.
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.
Top Prospect Games: Class of 2027 (Invite-Only)
Jun 10, 2025
Vald
1.76
10-yd
3.91
30-yd
6.99
60-yd
19.9
Run speed (max)
1.95
RSI (max)
25.1
Jump Height (max)
Peoria Preseason ID
Jan 19, 2025
Vald
1.68
10-yd
3.86
30-yd
7.04
60-yd
19.5
Run speed (max)
1.85
RSI (max)
23.2
Jump Height (max)
Vizual Edge
2025
Edge Score
The highest Edge Score within the given year. Edge Score is a comprehensive score that takes the core-six visual skills into account, providing an assessment of an athlete’s overall visual ability.
63.13
Pitch Ai
Notes
News
Comments
Draft Reports
Contact
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Physical
2025
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 Profile: SS/RHP Showed feel for the barrel and advanced opposite-field contact ability at the Arizona Top Prospect Games.
Body: 5-7, 150-pounds. Athletic frame with proportional build and developing lower half strength.
Hit: RHH. Slightly closed. Slight bend in knees. Hands behind right ear. Balanced Flat bat path. Works better oppo than pull side. 68.9 mph bat speed with 13 G's of rotational acceleration.
Power: 94 max exit velocity, averaged 85.4 mph. 335' max distance.
Arm: RH. INF-87 mph.
ATH: 6.99 runner in the 60. 1.76 and 3.91 in the 10 and 30 yard splits. 25.10 max vertical.
Vizual Edge: 63.13 Edge Score