Prep Baseball Report

CLASS OF 2028

RHP
1B

Jack
Postma

Barrington (HS) • IL
6' 3" • 180LBS
R/R • 14yr 7mo
Travel Team: Sparks North

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Best of Snapshot
Physical
Positional Tools Velos / Pop
TrackMan Hitting
Blast
TrackMan Pitching
Pitch Scores
Pitching Velos
Swift
News
Comments
Contact

Best Of Stats

Pitching

Fastball

81.4
Velocity (max)
4/10/24
77 - 80
Velo Range
6/06/24
1694
Spin Rate (avg)
4/10/24

Changeup

68 - 69
Velo Range
6/06/24
1492
Spin Rate (avg)
4/10/24

Curveball

60 - 64
Velo Range
6/06/24
1650
Spin Rate (avg)
4/10/24
Power
92.3
Exit Velocity (max)
7/24/24
84.5
Exit Velocity (avg)
7/24/24
307
Distance (max)
7/24/24
57
Sweet Spot %
7/24/24
Hitting
21.6
Hand Speed (max)
7/24/24
76
Bat Speed (max)
7/24/24
10.9
Rot. Acc (max)
7/24/24
-
Hard Hit %
Run
7.7
60
7/24/24
4.15
30-yd
7/24/24
1.7
10-yd
7/24/24
17.3
Run speed (max)
7/24/24
Defense
79
INF Velo
7/24/24
-
OF Velo
-
C Velo
-
Pop Time

Positional Tools

2024
60 Yard Dash
7.70
Infield Velocity
79.0
Power / Speed Score
12.0
Junior Future Games (Class of 2028/29)
Jul 24, 2024
Position
7.70
60-yard
79
INF Velo
Power Speed Score

Hitting

2024
Exit Velocity Max
92.3
Exit Velocity Avg
84.5
Distance Max
307
Distance Avg
201
Launch Angle Avg
17.3
Hard Hit %
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Junior Future Games (Class of 2028/29)
Jul 24, 2024
Trackman - Hitting
92.3
Exit Velocity (max)
84.5
Exit Velocity (avg)
201
Distance (avg)
307
Distance (max)
Hard Hit %
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %

Hitting

2024
Hand Speed Max
21.6
Hand Speed Avg
19.7
Bat Speed Max
76.0
Bat Speed Avg
72.9
Rotational Acceleration Max
Rotational Acceleration Avg
On-Plane Efficiency Max
On-Plane Efficiency Avg
Junior Future Games (Class of 2028/29)
Jul 24, 2024
Blast - Hitting
21.6
Hand Speed (max)
19.7
Hand Speed (avg)
76.0
Bat Speed (max)
72.9
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency

Pitching

2024
Fastball
Velocity Max
81.4
Fastball
Velocity Avg
78.0
Fastball
Spin Rate Avg
1694
Fastball
Spin Score Avg
21.7
Fastball
Total Movement Avg
Curveball
Velocity Avg
60.0
Curveball
Spin Rate Avg
1650
Curveball
Total Movement Avg
Changeup
Velocity Avg
66.4
Changeup
Spin Rate Avg
1492
Changeup
Total Movement Avg
Lockport Rising Stars ID
Apr 10, 2024
Trackman - Fastball
81.4
Velocity (max)
76.3 - 79.7
Velo Range
77.5
Eff Velocity (avg)
1,840
Spin Rate (max)
1,694
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
61.2
Velocity (max)
59.2 - 60.8
Velo Range
59.2
Eff Velocity (avg)
1,733
Spin Rate (max)
1,650
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
67.8
Velocity (max)
65.4 - 67.5
Velo Range
66.5
Eff Velocity (avg)
1,580
Spin Rate (max)
1,492
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

2024
Fastball
Rise+
Curveball
Hammer+
Curveball
Sweep+
Lockport Rising Stars ID
Apr 10, 2024
Pitch Scores - Fastball
Rise+
Pitch Scores - Curveball
Hammer+
Sweep+

Pitching Velos

2024
Fastball
Velocity Max
81.0
Fastball
Velocity Avg
78.0
Curveball
Velocity Avg
60.0
Changeup
Velocity Avg
66.0
Rock Summer Championships 13U and 14U
Jun 6, 2024
Pitching
81
Max FB
77 - 80
FB
60 - 64
CB
68 - 69
CH
Lockport Rising Stars ID
Apr 10, 2024
Pitching
81
Max FB
76 - 80
FB
59 - 61
CB
65 - 67
CH

Game Performance

2024
10 Yard Dash
1.70
30 Yard Dash
4.15
60 Yard Dash
7.70
Top Speed (MPH)
RSi
Vertical Jump
Junior Future Games (Class of 2028/29)
Jul 24, 2024
Swift
1.70
10-yd
4.15
30-yd
7.70
60-yd
17.3
Run speed (max)
2.02
RSi (max)
25.0
Jump Height (max)

Visual Edge

Pitch Ai

Notes

Comments

4/10/24

Positional Profile: RHP/1B
Body: 6-3, 180-pounds. High-waisted, long-limbed frame, projectable.
Delivery: Slow, controlled, medium leg-lift into balance point, tall/fall lower half.
Arm Action: RH. Long draw out of the glove, releases by ear.
FB: T81, 76-80 mph. Firm out of the hand, plays with some sink, heavy arm-side run at times. T1840, 1694 average rpm.
CB: 59-61 mph. Gradual 11/5 action, has feel for the zone. Got better as the 'pen went on. T1733, 1650 average rpm.
CH: 65-67 mph. Arm-side fade, lands consistently to the arm side. Best of the offspeed offerings. T1580, 1492 average rpm.

Draft Reports

Contact

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Physical

2024
Grip Strgth (LH)
Grip Strgth (RH)
JFG Workout WI/IL/IN
Jul 23, 2024
Physical - Athlete
Grip Strgth (RH)
Grip Strgth (LH)