@Zaiden_Rosario 19.6
Hand Speed (max)
2/21/26
CLASS OF 2028
C
RHP
Zaiden
Rosario
Amherst Steele (HS) • OH
5' 7" • 166.2LBS
R/R • 16yr 10mo
Travel Team: Panthers Baseball Rosario
5' 7" • 166.2LBSR/R • 16yr 10mo
Travel Team: Panthers Baseball Rosario
Rankings
2028 National
Rankings available to Premium Subscriber
2028 State
Rankings available to Premium Subscriber
Commitment
UNCOMMITTED
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Best Of Stats
74.5
Bat Speed (max)
7/28/26
16.4
Rot. Acc (max)
2/21/26
50
Hard Hit %
2/21/26
96
Exit Velocity (max)
7/28/26
87.3
Exit Velocity (avg)
7/28/26
338
Distance (max)
7/28/26
50
Sweet Spot %
2/21/26
7.00
60-yd
7/28/26
-
30-yd
1.68
10-yd
7/28/26
-
Run speed (max)
-
INF Velo
-
OF Velo
84
C Velo
2/21/26
1.78 - 1.83
Pop Time
2/21/26
Fastball
91
Velocity (max)
2/21/26
87.7 - 90.5
Velo Range
2/21/26
2021
Spin Rate (avg)
7/28/26
Changeup
75.6 - 78.2
Velo Range
2/21/26
1601
Spin Rate (avg)
2/21/26
Curveball
59 - 62
Velo Range
7/10/25
-
Spin Rate (avg)
Slider
72.8 - 76.3
Velo Range
2/21/26
2375
Spin Rate (avg)
2/21/26
Positional Tools
2026
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Pop Time
The athlete's fastest pop time in the given event year. Measured from glove to glove, in seconds (s).
1.78 - 1.93
Catcher Velocity
The athlete's maximum throwing velocity from the catcher position in the given event year. Measured in miles per hour (MPH).
84.0
Hitting
2026
Exit Velocity Max
The highest exit velocity of any batted ball in the given event year. Measured in miles per hour (MPH).
96.0
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
87.0
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
338
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
208
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
18.4746
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.
2026 Ohio Prospect Games - Session 2
Jul 28, 2026
Trackman - Hitting
96.0
Exit Velocity (max)
87.3
Exit Velocity (avg)
235
Distance (avg)
338
Distance (max)
Hard Hit %
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
2026 Northern Ohio Preseason All-State (Invite-Only)
Feb 21, 2026
Trackman - Hitting
95.0
Exit Velocity (max)
86.7
Exit Velocity (avg)
180
Distance (avg)
318
Distance (max)
Hard Hit %
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Hitting
2026
Hand Speed Max
The highest Peak Hand Speed of any swing in the given event year.
18.3
Hand Speed Avg
The average Peak Hand Speed for all swings in the given event year.
17.3
Bat Speed Max
The highest Bat Speed of any swing in the given event year.
74.5
Bat Speed Avg
The average Bat Speed for all swings in the given event year.
69.2
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.
2026 Ohio Prospect Games - Session 2
Jul 28, 2026
Blast - Hitting
18.3
Hand Speed (max)
17.3
Hand Speed (avg)
74.5
Bat Speed (max)
69.2
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
2026 Northern Ohio Preseason All-State (Invite-Only)
Feb 21, 2026
Blast - Hitting
19.6
Hand Speed (max)
18.6
Hand Speed (avg)
74.3
Bat Speed (max)
70.5
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
Pitching
2026
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
90.9
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
84.2
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).
1967
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.
23.4
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).
76.9
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).
1601
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).
66.6
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).
2068
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).
2026 Ohio Prospect Games - Session 2
Jul 28, 2026
Trackman - Fastball
86.8
Velocity (max)
79.5 - 85.3
Velo Range
81.3
Eff Velocity (avg)
2,269
Spin Rate (max)
2,021
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
65.9
Velocity (max)
60.7 - 64.9
Velo Range
61.5
Eff Velocity (avg)
2,037
Spin Rate (max)
1,915
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
2026 Northern Ohio Preseason All-State (Invite-Only)
Feb 21, 2026
Trackman - Fastball
90.9
Velocity (max)
87.7 - 90.5
Velo Range
87.1
Eff Velocity (avg)
2,141
Spin Rate (max)
1,820
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Spin Efficiency % (avg)
Trackman - Slider
77.4
Velocity (max)
72.8 - 76.3
Velo Range
72.1
Eff Velocity (avg)
2,470
Spin Rate (max)
2,375
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Spin Efficiency % (avg)
Trackman - ChangeUp
78.4
Velocity (max)
75.6 - 78.2
Velo Range
75.4
Eff Velocity (avg)
1,674
Spin Rate (max)
1,601
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
Slider
Hammer+
A hammer breaking ball drops vertically with velocity through the zone, or 12-to-6 movement. Hammer+ of 100 is MLB average.
Slider
Sweep+
A sweeping breaking ball moves horizontally with velocity through the zone. Sweep+ of 100 is MLB average.
Pitching Velos
2026
2025
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
91.0
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
89.0
Changeup
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
77.0
Slider
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
74.5
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
84.0
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
82.0
Curveball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
60.5
Game Performance
2026
10 Yard Dash
The athlete's fastest 0-10-yard split time in the given event year. Measured in seconds.
1.68
60 Yard Dash
The athlete's fastest 0-60-yard time in the given event year. Measured in seconds.
7.0
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.
Vizual Edge
2026
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.
66.38
Pitch Ai
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Physical
2026
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: C/RHP
Body: 5-9, 175-pounds. Strong, compact build with lower-half strength.
Hit: RHH. Quick hands with aggressive intent. Ball jumps when squared.
Power: 86.7 max exit velocity.
Arm: RH. C 84 mph.
Pop: 1.78-1.83.
Delivery: Controlled tempo with athletic direction.
Arm Action: RH. Clean path with present arm speed.
FB: 88-90 T91. 2141 rpm avg, 13.8 IVB avg, 10.1 HM avg.
CB: 73-76 T76. 2470 rpm avg, 1.3 IVB avg, -10.2 HM avg.
SL: 76-78 T78. 1674 rpm avg, 12.4 IVB avg, 11.8 HM avg.
ATH: 7.17 runner in the 60. 1.73 split.