Marshall Kowalewski

CLASS OF 2025

1B
LHP

Marshall
Kowalewski

Carlson (HS) • MI
6-0 • 160LBS • L/L
Travel Team: Hit Dogs

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
News
Comments
Contact

Best Of Stats

Hitting
23.6
Hand Speed (max)
10/10/21
69.5
Bat Speed (max)
2/27/22
15.1
Rot. Acc (max)
2/27/22
-
Hard Hit %
Power
88
Exit Velocity (max)
6/28/22
79.9
Exit Velocity (avg)
10/10/21
275
Distance (max)
6/28/22
50
Sweet Spot %
6/28/22
Run
7.14
60-yard
2/27/22
4.23
30-yd
6/28/22
1.76
10-yd
6/28/22
16.8
Run speed (max)
6/28/22
Defense
82
INF Velo
2/27/22
72
OF Velo
2/27/22
-
C Velo
-
Pop Time
Pitching

Fastball

73
Velocity (max)
7/07/22
70 - 73
Velo Range
7/07/22
1761
Spin Rate (avg)
6/28/22

Changeup

66.3 - 68.2
Velo Range
6/28/22
1426
Spin Rate (avg)
6/28/22

Curveball

63.6 - 66.8
Velo Range
10/10/21
1621
Spin Rate (avg)
2/27/22

Positional Tools

2022
2021
60 Yard Dash
7.14
Infield Velocity
82.0
Outfield Velocity
72.0
Power / Speed Score
12.3
60 Yard Dash
8.30
Outfield Velocity
71.0
Power / Speed Score
10.2

Hitting

2022
2021
Exit Velocity Max
88.0
Exit Velocity Avg
76.0
Distance Max
275
Distance Avg
211
Launch Angle Avg
25.9
Hard Hit %
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Exit Velocity Max
85.0
Exit Velocity Avg
79.9
Distance Max
222
Distance Avg
160
Launch Angle Avg
7.6
Hard Hit %
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
2022 Michigan Future Games Trials (Invite Only)
Jun 28, 2022
Trackman - Hitting
88.0
Exit Velocity (max)
76.6
Exit Velocity (avg)
237
Distance (avg)
275
Distance (max)
Sweet Spot %
Line Drive %
Fly Ball %
2022 Eastern Michigan Preseason All-State (Invite Only)
Feb 27, 2022
Trackman - Hitting
80.7
Exit Velocity (max)
75.1
Exit Velocity (avg)
141
Distance (avg)
236
Distance (max)
Sweet Spot %
Fly Ball %
Ground Ball %
2021 Michigan Fall Prospect Games (Invite Only)
Oct 10, 2021
Trackman - Hitting
85.0
Exit Velocity (max)
79.9
Exit Velocity (avg)
160
Distance (avg)
222
Distance (max)
Sweet Spot %
Line Drive %
Ground Ball %

Hitting

2022
2021
Hand Speed Max
22.3
Hand Speed Avg
21.2
Bat Speed Max
69.5
Bat Speed Avg
65.3
Rotational Acceleration Max
Rotational Acceleration Avg
On-Plane Efficiency Max
On-Plane Efficiency Avg
Hand Speed Max
23.6
Hand Speed Avg
22.8
Bat Speed Max
66.7
Bat Speed Avg
63.7
Rotational Acceleration Max
Rotational Acceleration Avg
On-Plane Efficiency Max
On-Plane Efficiency Avg
2022 Michigan Future Games Trials (Invite Only)
Jun 28, 2022
Blast - Hitting
21.3
Hand Speed (max)
20.8
Hand Speed (avg)
65.2
Bat Speed (max)
64.0
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
2022 Eastern Michigan Preseason All-State (Invite Only)
Feb 27, 2022
Blast - Hitting
22.3
Hand Speed (max)
21.5
Hand Speed (avg)
69.5
Bat Speed (max)
66.3
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
2021 Michigan Fall Prospect Games (Invite Only)
Oct 10, 2021
Blast - Hitting
23.6
Hand Speed (max)
22.8
Hand Speed (avg)
66.7
Bat Speed (max)
63.7
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency

Pitching

2022
2021
Fastball
Velocity Max
71.3
Fastball
Velocity Avg
70.1
Fastball
Spin Rate Avg
1685
Fastball
Spin Score Avg
24.0
Fastball
Total Movement Avg
Curveball
Velocity Avg
63.7
Curveball
Spin Rate Avg
1520
Curveball
Total Movement Avg
Changeup
Velocity Avg
67.1
Changeup
Spin Rate Avg
1406
Changeup
Total Movement Avg
Fastball
Velocity Max
72.6
Fastball
Velocity Avg
71.0
Fastball
Spin Rate Avg
1675
Fastball
Spin Score Avg
23.6
Fastball
Total Movement Avg
Curveball
Velocity Avg
65.2
Curveball
Spin Rate Avg
1560
Curveball
Total Movement Avg
2022 Michigan Future Games Trials (Invite Only)
Jun 28, 2022
Trackman - Fastball
71.2
Velocity (max)
69.6 - 71.1
Velo Range
68.2
Eff Velocity (avg)
1,827
Spin Rate (max)
1,761
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Trackman - Curveball
65.7
Velocity (max)
62.2 - 65.7
Velo Range
62.9
Eff Velocity (avg)
1,406
Spin Rate (max)
1,386
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Trackman - ChangeUp
68.2
Velocity (max)
66.3 - 68.2
Velo Range
65.9
Eff Velocity (avg)
1,435
Spin Rate (max)
1,426
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
2022 Eastern Michigan Preseason All-State (Invite Only)
Feb 27, 2022
Trackman - Fastball
71.3
Velocity (max)
68.9 - 70.9
Velo Range
67.9
Eff Velocity (avg)
1,733
Spin Rate (max)
1,630
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Trackman - Curveball
64.1
Velocity (max)
62.8 - 64.0
Velo Range
61.6
Eff Velocity (avg)
1,669
Spin Rate (max)
1,621
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Trackman - ChangeUp
67.1
Velocity (max)
66.7 - 67.1
Velo Range
65.0
Eff Velocity (avg)
1,438
Spin Rate (max)
1,386
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
2021 Michigan Fall Prospect Games (Invite Only)
Oct 10, 2021
Trackman - Fastball
72.6
Velocity (max)
70.0 - 71.9
Velo Range
69.0
Eff Velocity (avg)
1,804
Spin Rate (max)
1,675
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Trackman - Curveball
68.0
Velocity (max)
63.6 - 66.8
Velo Range
63.4
Eff Velocity (avg)
1,675
Spin Rate (max)
1,560
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %

Pitch Scores

2021
Fastball
Rise+
Curveball
Hammer+
Curveball
Sweep+
2021 Michigan Fall Prospect Games (Invite Only)
Oct 10, 2021
Pitch Scores - Fastball
Hop+
Rise+
Pitch Scores - Curveball
Hammer+
Sweep+

Pitching Velos

2022
2021
Fastball
Velocity Max
73.0
Fastball
Velocity Avg
70.6
Curveball
Velocity Avg
62.3
Changeup
Velocity Avg
66.8
Fastball
Velocity Max
72.0
Fastball
Velocity Avg
71.0
Curveball
Velocity Avg
65.0
PBR Border Invite
Jul 28, 2022
Pitching
71
Max FB
69 - 71
FB
60 - 62
CB
PBR Great Lakes Invite
Jul 7, 2022
Pitching
73
Max FB
70 - 73
FB
2022 Michigan Future Games Trials (Invite Only)
Jun 28, 2022
Pitching
71
Max FB
69 - 71
FB
61 - 64
CB
66 - 68
CH
PBR Battle at the Crossroads
Jun 16, 2022
Pitching
73
Max FB
70 - 73
FB
60 - 63
CB

Game Performance

2022
10 Yard Dash
1.76
30 Yard Dash
4.23
60 Yard Dash
7.88
Top Speed (MPH)
Vertical Jump
2022 Michigan Future Games Trials (Invite Only)
Jun 28, 2022
Swift
1.76
10-yd
4.23
30-yd
7.88
60-yd
16.8
Run speed (max)
7.6
Run Speed (avg)
1,166
Jump Power (max)
22.7
Jump Height (max)
22.2
Jump Height (avg)

Visual Edge

Pitch Ai

Notes

Comments

6/28/22

Marshall Kowalewski: LHP/1B, (2025) Carlson, MI. 6-foot, 158-pound. During batting practice, Kowalewski had a max exit velocity of 88 mph. (64.0 mph bat speed average). (20.8 mph hand speed average). Projectable In the infield, had twitchy hands, a packing exchange, and smooth footwork. Fielded the ball to the side with average movement laterally. Recorded a time of 7.88 in the 60-yard dash. Smooth on the mound, showed good arm speed with a long arm action and a ¾ arm angle. Drop-and-drive type pitcher who shows some effort. Showed athletic tall balance point and downhill shoulders. Lands open with balanced an athletic finish. Changeup (66-68 mph). Produced a fastball that came in at 69-71 mph; had running action and control in the zone with sharp movement. (Max spin 1826; Avg 1760). Threw a 11/5 curveball (61-64) with slurvey action and up in the zone control. (Max spin 1405; Avg 1385). 


10/10/21

Player Spotlight 

Marshall Kowalewski: LHP/OF, (2025) Carlson High School, MI. 6-foot, 159-pound. Capable during batting practice, the left-handed hitter clocked an exit velocity of 85 mph. (63.70 mph bat speed average). (22.81 mph hand speed average). Begins in a balanced stance with a small load, then uses a short stride. Level swing plane. Line drive approach. Capable in the outfield, his throws to the bases were maxed out at 71 mph; had a natural exchange, consistent footwork, and sure hands. Uses his glove one hand. Recorded a time of 8.3 in the 60-yard dash. Capable on the mound, has some arm speed and throws from a high ¾ arm angle. Showed high effort in his delivery. Lands square with upright finish. Produced a fastball that came in at 70-72 mph; has slight running action and arm side control. (Max spin 1804; Avg 1675). Has late action on his 1/7 curveball (63-67). (Max spin 1675; Avg 1560). 

Scout Evaluation 

Marshall Kowalewski, Carlson High School, 2025, MI

Position: LHP/OF

Body: 6-foot, 159-pound.

Hit: (LHH) Capable. Began in a balanced stance with a small load, then used a short stride. Level swing. Line drive approach. 

Power: 85 mph exit velocity, average 79.93 mph. 63.70 mph bat speed average. 22.81 mph hand speed average.

Defense:  (OF) Sure hands, consistent footwork, natural exchange. Capable. Glovework is shown one hand 

Arm: 71 mph outfield velocity. 

Speed: 8.30 (60-yard).

Pitching: Capable. High effort. High ¾ arm angle, some arm speed. Lands square, upright finish.

FB: T72. 70-72 mph. (Max spin 1804;  Avg 1675). Arm side accuracy, slight running action. 

CB: 63-67 mph. Late action, 1/7 shape. (Max spin 1675; Avg 1560). 


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