86.1
Exit Velocity (max)
6/10/26
CLASS OF 2030
OF
RHP
Julian
Calderon
Chatfield (HS) • CO
5' 8" • 129LBS
R/R • 14yr 8mo
Travel Team: PrimeTime Hitting
5' 8" • 129LBSR/R • 14yr 8mo
Travel Team: PrimeTime Hitting
Commitment
UNCOMMITTED
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Best Of Stats
74.4
Exit Velocity (avg)
6/10/26
288
Distance (max)
5/21/26
50
Sweet Spot %
6/10/26
7.11
60-yd
6/10/26
3.97
30-yd
6/10/26
1.69
10-yd
5/21/26
19.6
Run speed (max)
6/10/26
-
INF Velo
81
OF Velo
5/21/26
-
C Velo
-
Pop Time
Fastball
78.2
Velocity (max)
5/21/26
75.9 - 78.2
Velo Range
5/21/26
2010
Spin Rate (avg)
5/21/26
Changeup
70 - 70
Velo Range
5/21/26
1761
Spin Rate (avg)
5/21/26
Curveball
65 - 66
Velo Range
5/21/26
2142
Spin Rate (avg)
6/10/26
Slider
67 - 68
Velo Range
5/21/26
2248
Spin Rate (avg)
5/21/26
Positional Tools
2026
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60 Yard Dash
The athlete's fastest 60-yard dash time in the given event year. Measured in seconds (s)
7.24
Outfield Velocity
The athlete's maximum throwing velocity from an outfield position in the given event year. Measured in miles per hour (MPH).
81.0
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.
11.9
Hitting
2026
Exit Velocity Max
The highest exit velocity of any batted ball in the given event year. Measured in miles per hour (MPH).
86.1
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
74.0
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
288
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
155
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
21.167
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.
Colorado Rising Stars Games (Invite-Only)
Jun 10, 2026
Trackman - Hitting
86.1
Exit Velocity (max)
74.4
Exit Velocity (avg)
169
Distance (avg)
266
Distance (max)
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Denver Rising Stars ID
May 21, 2026
Trackman - Hitting
83.3
Exit Velocity (max)
73.7
Exit Velocity (avg)
140
Distance (avg)
288
Distance (max)
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Hitting
Pitching
2026
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
78.2
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
76.0
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).
1962
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.
25.8
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).
64.1
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).
2116
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).
70.2
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).
1761
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).
65.5
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).
2187
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).
Colorado Rising Stars Games (Invite-Only)
Jun 10, 2026
Trackman - Fastball
76.5
Velocity (max)
74.6 - 76.1
Velo Range
74.1
Eff Velocity (avg)
2,072
Spin Rate (max)
1,936
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
63.5
Velocity (max)
61.7 - 63.5
Velo Range
60.3
Eff Velocity (avg)
2,247
Spin Rate (max)
2,142
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
65.4
Velocity (max)
63.9 - 65.3
Velo Range
62.5
Eff Velocity (avg)
2,249
Spin Rate (max)
2,156
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Denver Rising Stars ID
May 21, 2026
Trackman - Fastball
78.2
Velocity (max)
75.9 - 78.2
Velo Range
76.9
Eff Velocity (avg)
2,115
Spin Rate (max)
2,010
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
65.7
Velocity (max)
65.1 - 65.7
Velo Range
64.5
Eff Velocity (avg)
2,341
Spin Rate (max)
2,096
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
67.8
Velocity (max)
66.9 - 67.8
Velo Range
66.4
Eff Velocity (avg)
2,260
Spin Rate (max)
2,248
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Spin Efficiency % (avg)
Trackman - ChangeUp
70.2
Velocity (max)
69.8
Eff Velocity (avg)
1,761
Spin Rate (max)
1,761
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Spin Efficiency % (avg)
Pitch Scores
2026
Curveball
Hammer+
A hammer breaking ball drops vertically with velocity through the zone, or 12-to-6 movement. Hammer+ of 100 is MLB average.
Curveball
Sweep+
A sweeping breaking ball moves horizontally with velocity through the zone. Sweep+ 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).
78.0
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
76.2
Curveball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
64.0
Changeup
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
70.0
Slider
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
66.0
Game Performance
2026
10 Yard Dash
The athlete's fastest 0-10-yard split time in the given event year. Measured in seconds.
1.69
30 Yard Dash
The athlete's fastest 0-30-yard split time in the given event year. Measured in seconds.
3.97
60 Yard Dash
The athlete's fastest 0-60-yard time in the given event year. Measured in seconds.
7.11
Top Speed (MPH)
The athlete's fastest split time converted to miles per hour.
Vizual Edge
Pitch Ai
Notes
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Comments
Draft Reports
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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.