Prep Baseball Report

CLASS OF 2025

RHP
3B

Joey
Kafka

Mundelein (HS) • IL
6' 1" • 190LBS
R/R • 17yr 10mo
Travel Team: Slammers Black 2025

Rankings

2025 National

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2025 State

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

Best Of Stats

Pitching

Fastball

86.1
Velocity (max)
2/10/24
81 - 86
Velo Range
2/10/24
2489
Spin Rate (avg)
6/03/24

Changeup

78 - 79
Velo Range
6/03/24
1704
Spin Rate (avg)
6/05/23

Curveball

77.1 - 78.5
Velo Range
6/03/24
2577
Spin Rate (avg)
6/03/24

Slider

71.7 - 75.1
Velo Range
2/10/24
2372
Spin Rate (avg)
2/10/24
Power
91.1
Exit Velocity (max)
2/10/24
84
Exit Velocity (avg)
6/05/23
280
Distance (max)
2/10/24
56
Sweet Spot %
2/10/24
Hitting
22.1
Hand Speed (max)
6/05/23
67.6
Bat Speed (max)
7/19/22
15.1
Rot. Acc (max)
2/10/24
11
Hard Hit %
2/10/24
Run
7.9
60
6/05/23
4.27
30-yd
6/05/23
1.85
10-yd
6/05/23
16.9
Run speed (max)
6/05/23
Defense
82
INF Velo
2/10/24
-
OF Velo
-
C Velo
-
Pop Time

Positional Tools

2024
2023
2022
2021
Infield Velocity
82.0
60 Yard Dash
7.90
Infield Velocity
79.0
Power / Speed Score
11.3
60 Yard Dash
8.29
Infield Velocity
73.0
Power / Speed Score
10.1
60 Yard Dash
8.55
Infield Velocity
72.0
Power / Speed Score
8.3
McHenry Preseason ID
Feb 10, 2024
Position
82
INF Velo
91
Exit Velo
Slammers Scout Day
Jun 5, 2023
Position
7.90
60-yard
79
INF Velo
90
Exit Velo
Power Speed Score
Southwest Suburban Open
Jul 19, 2022
Position
8.29
60-yard
73
INF Velo
84
Exit Velo
Power Speed Score
Future Prospects Showcase
Jun 15, 2021
Position
8.55
60-yard
72
INF Velo
71
Exit Velo

Hitting

2024
2023
Exit Velocity Max
91.1
Exit Velocity Avg
84.0
Distance Max
280
Distance Avg
141
Launch Angle Avg
9.2
Hard Hit %
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Exit Velocity Max
89.6
Exit Velocity Avg
84.0
Distance Max
265
Distance Avg
143
Launch Angle Avg
9.5
Hard Hit %
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
McHenry Preseason ID
Feb 10, 2024
Trackman - Hitting
91.1
Exit Velocity (max)
84.0
Exit Velocity (avg)
141
Distance (avg)
280
Distance (max)
Hard Hit %
Sweet Spot %
Line Drive %
Ground Ball %
Slammers Scout Day
Jun 5, 2023
Trackman - Hitting
89.6
Exit Velocity (max)
84.0
Exit Velocity (avg)
143
Distance (avg)
265
Distance (max)
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Southwest Suburban Open
Jul 19, 2022
Trackman - Hitting
83.9
Exit Velocity (max)
78.8
Exit Velocity (avg)
247
Distance (avg)
313
Distance (max)
Sweet Spot %
Line Drive %
Fly Ball %

Hitting

2024
2023
2022
Hand Speed Max
18.9
Hand Speed Avg
18.1
Bat Speed Max
63.5
Bat Speed Avg
61.4
Rotational Acceleration Max
Rotational Acceleration Avg
On-Plane Efficiency Max
On-Plane Efficiency Avg
Hand Speed Max
22.1
Hand Speed Avg
15.2
Bat Speed Max
65.0
Bat Speed Avg
61.0
Rotational Acceleration Max
Rotational Acceleration Avg
On-Plane Efficiency Max
On-Plane Efficiency Avg
Hand Speed Max
18.9
Hand Speed Avg
18.0
Bat Speed Max
67.6
Bat Speed Avg
62.3
Rotational Acceleration Max
Rotational Acceleration Avg
On-Plane Efficiency Max
On-Plane Efficiency Avg
McHenry Preseason ID
Feb 10, 2024
Blast - Hitting
18.9
Hand Speed (max)
18.1
Hand Speed (avg)
63.5
Bat Speed (max)
61.4
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
Slammers Scout Day
Jun 5, 2023
Blast - Hitting
22.1
Hand Speed (max)
15.2
Hand Speed (avg)
65.0
Bat Speed (max)
61.0
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
Southwest Suburban Open
Jul 19, 2022
Blast - Hitting
18.9
Hand Speed (max)
18.0
Hand Speed (avg)
67.6
Bat Speed (max)
62.3
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency

Pitching

2024
2023
2022
Fastball
Velocity Max
86.1
Fastball
Velocity Avg
84.0
Fastball
Spin Rate Avg
2314
Fastball
Spin Score Avg
27.6
Fastball
Total Movement Avg
Curveball
Velocity Avg
77.8
Curveball
Spin Rate Avg
2577
Curveball
Total Movement Avg
Changeup
Velocity Avg
76.8
Changeup
Spin Rate Avg
1577
Changeup
Total Movement Avg
Slider
Velocity Avg
73.4
Slider
Spin Rate Avg
2372
Slider
Total Movement Avg
Cutter
Velocity Avg
79.8
Cutter
Spin Rate Avg
2448
Cutter
Total Movement Avg
Fastball
Velocity Max
81.0
Fastball
Velocity Avg
79.7
Fastball
Spin Rate Avg
2277
Fastball
Spin Score Avg
28.6
Fastball
Total Movement Avg
Curveball
Velocity Avg
71.2
Curveball
Spin Rate Avg
2334
Curveball
Total Movement Avg
Changeup
Velocity Avg
75.2
Changeup
Spin Rate Avg
1704
Changeup
Total Movement Avg
Fastball
Velocity Max
78.2
Fastball
Velocity Avg
77.1
Fastball
Spin Rate Avg
2081
Fastball
Spin Score Avg
27.0
Fastball
Total Movement Avg
Curveball
Velocity Avg
67.0
Curveball
Spin Rate Avg
2013
Curveball
Total Movement Avg
Changeup
Velocity Avg
69.8
Changeup
Spin Rate Avg
1398
Changeup
Total Movement Avg
Slammers Scout Day
Jun 3, 2024
Trackman - Fastball
85.7
Velocity (max)
84.5 - 85.5
Velo Range
80.9
Eff Velocity (avg)
2,463
Spin Rate (max)
2,349
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
78.5
Velocity (max)
77.1 - 78.5
Velo Range
73.9
Eff Velocity (avg)
2,637
Spin Rate (max)
2,577
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
78.8
Velocity (max)
78.2 - 78.8
Velo Range
75.9
Eff Velocity (avg)
1,642
Spin Rate (max)
1,583
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Spin Efficiency % (avg)
Trackman - Cutter
82.1
Velocity (max)
79.3 - 82.0
Velo Range
77.2
Eff Velocity (avg)
2,563
Spin Rate (max)
2,489
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
McHenry Preseason ID
Feb 10, 2024
Trackman - Fastball
86.1
Velocity (max)
80.8 - 85.6
Velo Range
81.1
Eff Velocity (avg)
2,433
Spin Rate (max)
2,284
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
76.2
Velocity (max)
71.7 - 75.1
Velo Range
71.2
Eff Velocity (avg)
2,409
Spin Rate (max)
2,372
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
77.3
Velocity (max)
74.5 - 76.9
Velo Range
74.7
Eff Velocity (avg)
1,844
Spin Rate (max)
1,573
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Trackman - Cutter
79.8
Velocity (max)
78.1 - 79.8
Velo Range
77.0
Eff Velocity (avg)
2,457
Spin Rate (max)
2,407
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Slammers Scout Day
Jun 5, 2023
Trackman - Fastball
81.0
Velocity (max)
78.5 - 80.8
Velo Range
76.9
Eff Velocity (avg)
2,350
Spin Rate (max)
2,277
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
72.2
Velocity (max)
70.4 - 72.1
Velo Range
67.9
Eff Velocity (avg)
2,391
Spin Rate (max)
2,334
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
76.7
Velocity (max)
74.1 - 76.2
Velo Range
72.7
Eff Velocity (avg)
1,762
Spin Rate (max)
1,704
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Spin Efficiency % (avg)
Southwest Suburban Open
Jul 19, 2022
Trackman - Fastball
78.2
Velocity (max)
76.1 - 78.1
Velo Range
73.6
Eff Velocity (avg)
2,185
Spin Rate (max)
2,081
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Trackman - Curveball
68.4
Velocity (max)
66.1 - 67.9
Velo Range
63.2
Eff Velocity (avg)
2,096
Spin Rate (max)
2,013
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Trackman - ChangeUp
70.9
Velocity (max)
69.0 - 70.6
Velo Range
66.9
Eff Velocity (avg)
1,429
Spin Rate (max)
1,398
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)

Pitch Scores

2024
2023
2022
Fastball
Hop+
Fastball
Sink+
Fastball
Rise+
Slider
Hammer+
Slider
Sweep+
Fastball
Hop+
Fastball
Sink+
Fastball
Rise+
Fastball
Rise+
Curveball
Hammer+
Curveball
Sweep+
McHenry Preseason ID
Feb 10, 2024
Pitch Scores - Fastball
Hop+
Rise+
Sink+
Pitch Scores - Slider
Hammer+
Sweep+
Slammers Scout Day
Jun 5, 2023
Pitch Scores - Fastball
Hop+
Rise+
Sink+
Southwest Suburban Open
Jul 19, 2022
Pitch Scores - Fastball
Rise+
Pitch Scores - Curveball
Hammer+
Sweep+

Pitching Velos

2024
2023
2022
Fastball
Velocity Max
86.0
Fastball
Velocity Avg
84.3
Curveball
Velocity Avg
77.5
Changeup
Velocity Avg
77.2
Slider
Velocity Avg
73.5
Fastball
Velocity Max
81.0
Fastball
Velocity Avg
80.0
Curveball
Velocity Avg
71.0
Changeup
Velocity Avg
75.0
Fastball
Velocity Max
78.0
Fastball
Velocity Avg
77.0
Curveball
Velocity Avg
67.0
Changeup
Velocity Avg
69.0
Slammers Scout Day
Jun 3, 2024
Pitching
86
Max FB
85 - 85
FB
77 - 78
CB
78 - 79
CH
79 - 82
CT
McHenry Preseason ID
Feb 10, 2024
Pitching
86
Max FB
81 - 86
FB
75 - 77
CH
72 - 75
SL
78 - 80
CT
16U National Championship
Jun 22, 2023
Pitching
81
Max FB
75 - 81
FB
71 - 73
CB
Slammers Scout Day
Jun 5, 2023
Pitching
81
Max FB
79 - 81
FB
70 - 72
CB
74 - 76
CH
Southwest Suburban Open
Jul 19, 2022
Pitching
78
Max FB
76 - 78
FB
66 - 68
CB
68 - 70
CH
15U National Championship
Jul 7, 2022
Pitching
80
Max FB
75 - 80
FB
67 - 72
CB

Game Performance

2024
2023
10 Yard Dash
1.86
30 Yard Dash
4.39
Top Speed (MPH)
RSi
Vertical Jump
10 Yard Dash
1.85
30 Yard Dash
4.27
60 Yard Dash
7.90
Top Speed (MPH)
RSi
Vertical Jump
McHenry Preseason ID
Feb 10, 2024
Swift
1.87
10-yd
4.39
30-yd
16.2
Run speed (max)
2.34
RSi (max)
24.4
Jump Height (max)
Slammers Scout Day
Jun 5, 2023
Swift
1.85
10-yd
4.27
30-yd
7.90
60-yd
16.9
Run speed (max)
1.46
RSi (max)
1.47
RSi (avg)
1,332
Jump Power (max)
23.5
Jump Height (max)
23.2
Jump Height (avg)
Southwest Suburban Open
Jul 19, 2022
Swift
1.90
10-yd
4.51
30-yd
8.29
60-yd
16.3
Run speed (max)
7.2
Run Speed (avg)
0.98
RSi (max)
0.98
RSi (avg)
1,279
Jump Power (max)
22.4
Jump Height (max)
22.1
Jump Height (avg)

Visual Edge

2024
2022
Edge Score
77.28
Edge Score
74.06
McHenry Preseason ID
Feb 10, 2024
Visual Skills
77.28
Edge Score
Southwest Suburban Open
Jul 19, 2022
Visual Skills
74.06
Edge Score

Pitch Ai

Notes

Comments

7/15/24

Verbally committed to Valparaiso.

6/03/24
Kafka is an athletic, high-waited 6-foot-1, 190-pound righty that showed feel to spin throughout his ‘pen. Currently ranked No. 163 in the state, Kafka displayed a four-pitch mix in this look. His fastball sat 84-85 mph (avg. 2349 rpm), and led the event in max velocity (85.7) and average horizontal movement (21.2”). His curveball sat 77-78 mph, playing from a tight 10/4 shape, and led the event in both max spin rate (2637 rpm) and average spin rate (2577 rpm). His 78 mph changeup played with arm-side fade (avg. 18.5” HM) and sink (avg. 3.9” IVB) to go as a potential tertiary offering moving forward. Kafka then rounded out his arsenal with a 79-82 mph cutter that showed short glove-side action with an average spin rate of 2489 rpm (T2563).
2/10/24

RHP Joey Kafka (Mundelein, 2025) showed a ton of spin throughout his ‘pen on Saturday. An athletic mover at 6-foot-1, 190-pounds, he showed a short, quick arm stroke on the bump boasting three high-spin offerings. The first of which was a fastball that flashed arm-side run sitting 80-85 mph (T86) with a max spin rate of 2433 RPM, which was good for third-best at the event. His slider worked with depth and 10/4 action at 72-75 mph with a max spin rate of 2400+ RPM, while his cutter also flashed depth working in the upper-70’s with 2400+ RPM on average. Kafka rounded out his pitch-mix with a changeup that sat 75-77 mph, and will be another arm to monitor this spring.

2/10/24

Positional Profile: RHP
Body: 6-1, 190-pounds. Athletic build, projectable, some strength throughout.
Delivery: Stretch-only, high leg kick, explodes out of balance point, tall/fall.
Arm Action: RH. Short, quick arm action with some arm speed out front. 3/4 arm slot.
FB: T86, 81-86 mph. Arm-side run with life out of the hand. Flashes carry. T2433, 2284 average rpm.
SL: 72-75 mph. 10/4 shape with depth. T2409, 2372 average rpm.
CH: 75-77 mph. Mostly straight actions with occasional arm-side run, developing. T1844, 1573 average rpm.
CUT: 78-80 mph. Has some depth to it, 9/3 action. High-spin.

2/10/24

Positional Profile: 3B
Hit: RHH. Crouched, open setup, short leg lift and stride. Flat path, rotational shoulders through impact, line-drive approach, on the barrel up the middle. 61.4 mph bat speed with 13 G’s of rotational acceleration.
Power: 91 max exit velocity, averaged 84 mph. 280’ max distance.
Arm: RH. INF - 82 mph. Clean, quick arm action. Strong and accurate from a low 3/4 arm slot.
Defense: Hands play from the ground up, steady hands, clean release.
Run: 4.39 30-yard dash.

6/05/23

RHP/3B Joey Kafka (Mundelein, 2025) is a physical 6-foot-1, 190-pound, right-handed hitter, that was on the barrel and showed a strong and fluid swing. He produced a max exit velocity of 89.6 mph and an average exit velocity of 84 mph. Defensively he showed steady actions with clean footwork and smooth hands paired with plenty of arm to stay on the left side of the diamond.

7/19/22

Positional Profile: 3B/RHP
Body: 6-1, 170-pounds. Athletic build, long legs.
Delivery: Controlled pace into balance point, tall/fall lower-half that works in-line to the plate, shoulders work slightly uphill down the mound.
Arm Action: RH. Long, loose, easy arm into a high 3/4 slot.
FB: T78.2, 76-78 mph. Sinking action to the arm-side.  T2185, 2081 average rpm.
CB: 66-68 mph. Sharp 2/8 action, slurvy shape at times.  T2096, 2013 average rpm.
CH: 69-71 mph. Fades to the arm-side, kept down.  T1429, 1398 average rpm.

Hit: RHH. Wide, open stance, short stride, high hands. Quiet swing, loose hands, works uphill through the zone and gap-to-gap approach.
Power:  max exit velocity, averaged  mph. ’ max distance.
Arm: RH. INF - 73 mph. Short, quick arm, 3/4 release.
Defense: Soft hands, clean footwork, some feel for the position.
Run: 8.29 runner in the 60. 

6/15/21

Positional Profile: 3B/RHP
Body: 5-foot-10, 155-pounds.
Defense: Hands are soft.  Footwork is slow yet fluid.  Exchange is quick and he plays through the ball with and advanced skill set. 
Arm: RH. INF - 72 mph. Short arm action, High 3/4 slot.  Throws were accurate and have carry to target.
Hit: RHH. Balanced, open stance, with a wide setup. Simple repeatable swing.  Dives to a balanced closed hitting position.
Power: 71.00 mph exit velocity from the tee. Strong, pull hitter with a potential for power.  Swing is fluid and has some rhythm.
Run: 8.55 runner in the 60.  

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