Prep Baseball Report
Kolten Irwin
Kolten Irwin
Kolten Irwin

CLASS OF 2029

LHP
1B

Kolten
Irwin

Folsom (HS) • CA
6' 1" • 190.9LBS
L/L • 15yr 8mo
Travel Team: NorCal U
2029 National

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2029 State

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Best Of Stats

Pitching

Fastball

78.1
Velocity (max)
1/25/26
76 - 78.1
Velo Range
1/25/26
1815
Spin Rate (avg)
1/25/26

Changeup

67.9 - 70.2
Velo Range
5/10/25
1657
Spin Rate (avg)
5/10/25

Curveball

58.8 - 61.4
Velo Range
1/25/26
1859
Spin Rate (avg)
1/25/26

Slider

62.4 - 64.3
Velo Range
5/10/25
1928
Spin Rate (avg)
1/25/26
Power
81.8
Exit Velocity (max)
1/25/26
72.5
Exit Velocity (avg)
2/09/25
279
Distance (max)
1/25/26
56
Sweet Spot %
1/25/26
Hitting
19.6
Hand Speed (max)
1/25/26
61.3
Bat Speed (max)
1/25/26
10.5
Rot. Acc (max)
2/09/25
-
Hard Hit %
Run
8.62
60-yd
1/25/26
4.60
30-yd
1/25/26
1.86
10-yd
1/25/26
15.3
Run speed (max)
1/25/26
Defense
74
INF Velo
1/25/26
-
OF Velo
-
C Velo
-
Pop Time

Game Performance

Notes

Comments

5/10/25
Kolten Irwin, Folsom High (CA), 2029
Positional Profile: LHP/1B
Body: 5-11, 169-pounds.
Hit: LHH. Upright stance, while maintaining balance with slightly wide setup. Hands rest at shoulder with minor waggle. Simple load. Gets into back hip a bit, with hands drifting back. Tips barrel vertically with small stride forward. Stays balanced upon stride, with solid separation. Bat path tends to shows uphill plane, with hands that work through the zone. Room to add power with better lower half activation.
Power: 78 max exit velocity, averaged 70.8 mph. 260' max distance.
Arm: LH. INF-68 mph. Lengthy arm path, with depth out of the glove. Quick release on throws to 2nd, but adds extra step on throws to 3rd. Low 3/4 release creates low carry. Shows accurate arm. Will need to add some arm strength.
Defense: Strong glove work, with solid body control and good instincts. Lets the ball travel often, but can move downhill when needed.
ATH: 9.02 runner in the 60. 16.10 max vertical.
2/09/25

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.

2/09/25

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.

2/09/25
Irwin is an interesting two way that has the potential to do damage on both sides of the ball. Checked in at 5’9” 162.5lbs, tested 80.3 (RH) & 76.1 (LH) for his grip strength with a vertical of 15.2 in. Got in tons of work as he was the only 1B who attended the event, good glove work and first steps. Max EV was 76.1 MPH with an avg velocity of 72.5 MPH. (Avg launch angle avg of 24.6). On the mound is where I can see Irwin being the most dominant, he topped out at 74.3 MPH with an avg FB velocity of 70.9 MPH. The CB is gross, coming in about 20 MPH slower than his FB. CB spin 1755 MPH with an avg velo of 54.3 MPH and 17.2 in of total movement. The SL is another good pitch in his arsenal at 58.6 MPH with an avg spin of 1814 RPM and 17.5 in of total avg movement. Very efficient spin on all of his pitches that were thrown.

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