@KoltenIrwin12 74.3
Velocity (max)
2/09/25
CLASS OF 2029
LHP
1B
Kolten
Irwin
Folsom High (HS) • CA
5' 9" • 162.5LBS
L/L • 14yr 4mo
Travel Team: NorCal
5' 9" • 162.5LBSL/L • 14yr 4mo
Travel Team: NorCal
Commitment
UNCOMMITTED
Player has made a commitment?
Tell us where
Best Of Stats
Fastball
69 - 73
Velo Range
2/09/25
1607
Spin Rate (avg)
2/09/25
Changeup
59.7 - 62.5
Velo Range
2/09/25
1112
Spin Rate (avg)
2/09/25
Curveball
53.3 - 55.4
Velo Range
2/09/25
1755
Spin Rate (avg)
2/09/25
Slider
57 - 60
Velo Range
2/09/25
1814
Spin Rate (avg)
2/09/25
76.1
Exit Velocity (max)
2/09/25
72.5
Exit Velocity (avg)
2/09/25
258
Distance (max)
2/09/25
38
Sweet Spot %
2/09/25
18.5
Hand Speed (max)
2/09/25
57.9
Bat Speed (max)
2/09/25
10.5
Rot. Acc (max)
2/09/25
-
Hard Hit %
8.98
60-yd
2/09/25
4.77
30-yd
2/09/25
1.93
10-yd
2/09/25
14.6
Run speed (max)
2/09/25
64
INF Velo
2/09/25
-
OF Velo
-
C Velo
-
Pop Time
Positional Tools
2025
Sign in to view rankings 
Infield Velocity
The athlete's maximum throwing velocity from an infield position in the given event year. Measured in miles per hour (MPH).
64.0
Hitting
2025
Exit Velocity Max
The highest exit velocity of any batted ball in the given event year. Measured in miles per hour (MPH).
76.1
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
72.5
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
258
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
169
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
24.6058
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.
Sacramento Rising Stars ID (2029-2030 Grads)
Feb 9, 2025
Trackman - Hitting
76.1
Exit Velocity (max)
72.5
Exit Velocity (avg)
169
Distance (avg)
258
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.
18.5
Hand Speed Avg
The average Peak Hand Speed for all swings in the given event year.
17.6
Bat Speed Max
The highest Bat Speed of any swing in the given event year.
57.9
Bat Speed Avg
The average Bat Speed for all swings in the given event year.
55.5
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.
Sacramento Rising Stars ID (2029-2030 Grads)
Feb 9, 2025
Blast - Hitting
18.5
Hand Speed (max)
17.6
Hand Speed (avg)
57.9
Bat Speed (max)
55.5
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).
74.3
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
70.9
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).
1607
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.
22.7
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).
54.3
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).
1755
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).
61.1
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).
1112
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).
58.6
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).
1814
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).
Sacramento Rising Stars ID (2029-2030 Grads)
Feb 9, 2025
Trackman - Fastball
74.3
Velocity (max)
68.9 - 72.9
Velo Range
68.2
Eff Velocity (avg)
1,725
Spin Rate (max)
1,607
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
55.6
Velocity (max)
53.3 - 55.4
Velo Range
51.6
Eff Velocity (avg)
1,781
Spin Rate (max)
1,755
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
60.4
Velocity (max)
57.3 - 59.9
Velo Range
55.9
Eff Velocity (avg)
1,924
Spin Rate (max)
1,814
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
62.5
Velocity (max)
59.7 - 62.5
Velo Range
58.8
Eff Velocity (avg)
1,193
Spin Rate (max)
1,112
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
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
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.
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.
Sacramento Rising Stars ID (2029-2030 Grads)
Feb 9, 2025
Pitch Scores - Fastball
Rise+
Pitch Scores - Curveball
Hammer+
Sweep+
Pitch Scores - Slider
Hammer+
Sweep+
Pitching Velos
2025
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
74.0
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
71.0
Curveball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
54.0
Changeup
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
61.0
Slider
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
58.5
Game Performance
2025
10 Yard Dash
The athlete's fastest 0-10-yard split time in the given event year. Measured in seconds.
1.93
30 Yard Dash
The athlete's fastest 0-30-yard split time in the given event year. Measured in seconds.
4.77
60 Yard Dash
The athlete's fastest 0-60-yard time in the given event year. Measured in seconds.
8.98
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.
Sacramento Rising Stars ID (2029-2030 Grads)
Feb 9, 2025
Vald
1.93
10-yd
4.77
30-yd
8.98
60-yd
14.6
Run speed (max)
0.68
RSI (max)
15.2
Jump Height (max)
Vizual Edge
Pitch Ai
Notes
Comments
Draft Reports
Contact
Premium Content Area
To unlock contact information, you need to purchase a ScoutPLUS subscription.
Purchase Subscription OR
Login
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.
Kolten Irwin, Folsom High (CA), 2029
Positional Profile: LHP
Body: 5-9, 163-pounds.
Delivery: Keeps feet close together in setup, stiff back leg, high leg lift, balanced finish.
Arm Action: LH. Full circle fully extending on back swing, low 3/4 slot.
FB: T74, 69-73 mph. Displays heavy run, accurate. T1725, 1607 average rpm.
CB: 53-55 mph. Gradual action, 12/6 break. T1781, 1755 average rpm.
SL: 57-60 mph. Displays feel, late break. T1924, 1814 average rpm.
CH: 60-62 mph. Possesses depth, ball dies as it reaches the plate. T1193, 1112 average rpm.
Kolten Irwin, Folsom High (CA), 2029
Positional Profile: 1B
Hit: LHH. Balanced setup, high leg lift, easy swing. Compact keeping hands close to body, easy path through the zone, pulls the ball. 55.5 mph bat speed with 8 G's of rotational acceleration.
Power: 76 max exit velocity, averaged 72.5 mph. 258' max distance.
Arm: LH. INF-64 mph. Short circle, 3/4 slot.
Defense: Steady, one hand gather in front of body.
ATH: 8.98 runner in the 60. 1.93 and 4.77 in the 10 and 30 yard splits. 15.20 max vertical.