Prep Baseball Report

CLASS OF 2025

OF
SS

Rock
Duer

Marcus (HS) • TX
5' 9" • 175LBS
S/R • 17yr 7mo
Travel Team: Midland Bulls

Rankings

2025 National

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2025 State

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

Best Of Stats

Hitting
22.4
Hand Speed (max)
7/17/23
71.5
Bat Speed (max)
7/17/23
19.1
Rot. Acc (max)
1/03/23
-
Hard Hit %
Power
95.5
Exit Velocity (max)
7/17/23
86.5
Exit Velocity (avg)
7/17/23
350
Distance (max)
7/17/23
69
Sweet Spot %
1/03/23
Run
6.91
60
10/10/22
-
30-yd
1.7
10-yd
1/03/23
19.6
Run speed (max)
10/10/22
Defense
84
INF Velo
7/17/23
89
OF Velo
10/10/22
-
C Velo
-
Pop Time

Positional Tools

2023
2022
2021
60 Yard Dash
7.06
Infield Velocity
84.0
Outfield Velocity
87.0
Power / Speed Score
13.5
60 Yard Dash
7.17
Infield Velocity
83.0
Outfield Velocity
89.0
Power / Speed Score
12.5
60 Yard Dash
7.40
Infield Velocity
75.0
Outfield Velocity
77.0
Power / Speed Score
10.8
Top Prospect Games: North Texas (Invite-Only)
Jul 17, 2023
Position
84
INF Velo
87
OF Velo
Power Speed Score
Fort Worth Preseason ID
Jan 3, 2023
Position
7.06
60-yard
81
INF Velo
83
OF Velo
Power Speed Score
DFW Fall ID
Oct 10, 2022
Position
83
INF Velo
89
OF Velo
Power Speed Score
DFW Open
May 31, 2022
Position
7.17
60-yard
80
INF Velo
84
OF Velo
Power Speed Score
Austin Preseason ID
Jan 8, 2022
Position
7.40
60-yard
76
INF Velo
82
OF Velo
Power Speed Score
North Texas Underclass Games (Invite Only)
Jul 6, 2021
Position
7.40
60-yard
74
INF Velo
76
OF Velo
Power Speed Score
Top Prospect Showcase
Jun 22, 2021
Position
7.40
60-yard
75
INF Velo
77
OF Velo
Power Speed Score

Hitting

2023
2022
2021
Exit Velocity Max
95.5
Exit Velocity Avg
79.0
Distance Max
350
Distance Avg
250
Launch Angle Avg
27.0
Hard Hit %
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Exit Velocity Max
89.5
Exit Velocity Avg
75.5
Distance Max
344
Distance Avg
187
Launch Angle Avg
26.3
Hard Hit %
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Exit Velocity Max
80.2
Exit Velocity Avg
70.6
Distance Max
208
Distance Avg
106
Launch Angle Avg
10.6
Hard Hit %
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Top Prospect Games: North Texas (Invite-Only)
Jul 17, 2023
Trackman - Hitting
95.5
Exit Velocity (max)
86.5
Exit Velocity (avg)
286
Distance (avg)
350
Distance (max)
Hard Hit %
Sweet Spot %
Line Drive %
Fly Ball %
Fort Worth Preseason ID
Jan 3, 2023
Trackman - Hitting
90.7
Exit Velocity (max)
73.2
Exit Velocity (avg)
217
Distance (avg)
330
Distance (max)
Hard Hit %
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
DFW Fall ID
Oct 10, 2022
Trackman - Hitting
89.5
Exit Velocity (max)
75.6
Exit Velocity (avg)
237
Distance (avg)
344
Distance (max)
Sweet Spot %
Line Drive %
Fly Ball %
DFW Open
May 31, 2022
Trackman - Hitting
85.9
Exit Velocity (max)
76.8
Exit Velocity (avg)
158
Distance (avg)
289
Distance (max)
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Austin Preseason ID
Jan 8, 2022
Trackman - Hitting
82.7
Exit Velocity (max)
73.4
Exit Velocity (avg)
166
Distance (avg)
273
Distance (max)
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
North Texas Underclass Games (Invite Only)
Jul 6, 2021
Trackman - Hitting
80.2
Exit Velocity (max)
63.9
Exit Velocity (avg)
95
Distance (avg)
208
Distance (max)
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Top Prospect Showcase
Jun 22, 2021
Trackman - Hitting
79.2
Exit Velocity (max)
77.3
Exit Velocity (avg)
117
Distance (avg)
204
Distance (max)
Sweet Spot %
Line Drive %
Ground Ball %

Hitting

2023
2022
2021
Hand Speed Max
22.4
Hand Speed Avg
21.0
Bat Speed Max
71.5
Bat Speed Avg
67.6
Rotational Acceleration Max
Rotational Acceleration Avg
On-Plane Efficiency Max
On-Plane Efficiency Avg
Hand Speed Max
22.1
Hand Speed Avg
19.2
Bat Speed Max
67.9
Bat Speed Avg
62.7
Rotational Acceleration Max
Rotational Acceleration Avg
On-Plane Efficiency Max
On-Plane Efficiency Avg
Hand Speed Max
20.1
Hand Speed Avg
18.1
Bat Speed Max
63.6
Bat Speed Avg
57.4
Rotational Acceleration Max
Rotational Acceleration Avg
On-Plane Efficiency Max
On-Plane Efficiency Avg
Top Prospect Games: North Texas (Invite-Only)
Jul 17, 2023
Blast - Hitting
22.4
Hand Speed (max)
21.4
Hand Speed (avg)
71.5
Bat Speed (max)
70.0
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
Fort Worth Preseason ID
Jan 3, 2023
Blast - Hitting
22.0
Hand Speed (max)
20.6
Hand Speed (avg)
66.9
Bat Speed (max)
64.7
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
DFW Fall ID
Oct 10, 2022
Blast - Hitting
22.1
Hand Speed (max)
20.0
Hand Speed (avg)
67.9
Bat Speed (max)
64.6
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
DFW Open
May 31, 2022
Blast - Hitting
20.3
Hand Speed (max)
18.8
Hand Speed (avg)
66.0
Bat Speed (max)
61.8
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
Austin Preseason ID
Jan 8, 2022
Blast - Hitting
20.2
Hand Speed (max)
18.7
Hand Speed (avg)
62.9
Bat Speed (max)
61.7
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
North Texas Underclass Games (Invite Only)
Jul 6, 2021
Blast - Hitting
18.1
Hand Speed (max)
17.2
Hand Speed (avg)
59.1
Bat Speed (max)
55.2
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
Top Prospect Showcase
Jun 22, 2021
Blast - Hitting
20.1
Hand Speed (max)
18.6
Hand Speed (avg)
63.6
Bat Speed (max)
58.7
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency

Pitching

Pitch Scores

Pitching Velos

Game Performance

2024
2023
2022
10 Yard Dash
1.70
60 Yard Dash
6.91
Top Speed (MPH)
RSi
Vertical Jump
10 Yard Dash
1.70
30 Yard Dash
4.03
60 Yard Dash
7.06
Top Speed (MPH)
RSi
Vertical Jump
10 Yard Dash
1.70
60 Yard Dash
6.91
Top Speed (MPH)
RSi
Vertical Jump
Top Prospect Games: North Texas (Invite-Only)
Jul 17, 2023
Swift
1.73
10-yd
4.03
30-yd
7.16
60-yd
19.6
Run speed (max)
Fort Worth Preseason ID
Jan 3, 2023
Swift
1.70
10-yd
7.06
60-yd
19.3
Run speed (max)
2.20
RSi (max)
2.21
RSi (avg)
1,203
Jump Power (max)
27.1
Jump Height (max)
27.1
Jump Height (avg)
DFW Fall ID
Oct 10, 2022
Swift
1.70
10-yd
6.91
60-yd
19.6
Run speed (max)
2.51
RSi (max)
2.51
RSi (avg)
1,316
Jump Power (max)
29.3
Jump Height (max)
29.3
Jump Height (avg)

Visual Edge

2023
Edge Score
71.61

Pitch Ai

Notes

Comments

1/03/23

Positional Profile: SS/OF Duer is a talented switch hitter who generates some power from both sides with quick hands.Shows good footwork and arm from both the outfield and infield.
Body: 5-8, 160-pounds.
Hits: SH. 50/50 set up with some rythym LHH and RHH swing mirror each other well. Has good bat speed with some loft in his swing.
Power: 91 max exit velocity, averaged 73.2 MPH. 330' max distance. has good rythym and works up through the ball to drive it with backspin.
Arm: RH. INF-81 mph.OF-83 mph. long arm action in OF ball comes out clean with average velo. Short arm action from low slot in IF. Can get a little to low sometimes
Defense: charges the ball nicely in OF really working through it,INF arm action will likely make him a 2B in future.
Run: 7.06 runner in the 60.

10/10/22

Positional Profile: SS/OF Duer continues to develop each time we have seen him over the past couple years.
Body: 5-8, 150-pounds.
Hits: SH. Balanced, slightly crouched stance, leg lift load trigger, some rhythm in the barrel pre-pitch with a barrel tilt swing trigger. Direct path to the ball on an uphill swing plane from both sides hitting balls to all fields.
Power: 90 max exit velocity, averaged 75.6 MPH. 344' max distance.
Arm: RH. INF-83 mph.OF-89 mph. Long arm action, accurate throws on the bag.
Defense: Infield: Good footwork fielding the ball in rhythm towards his target with a clean, consistent transfer. Outfield: Good footwork getting to the ball, fields the ball with momentum towards his target and a clean transfer.
Run: 6.91 runner in the 60.

1/08/22

Positional Profile: 2B

Body: 5-foot-6, 135 pounds. 

Hit: SH. LH: Balanced stance, leg lift load trigger, hands go back from pre-pitch rhythm with a barrel tilt swing trigger, slightly uphill swing trigger hitting fly balls and ground balls to the pull side. RH: Same setup and swing mechanics as the left side, keeps his hands inside the ball using the opposite field well hitting fly balls and some line drives. 

Power: 81.1 mph max exit velocity in BP, 67.6 mph average exit velocity, 284 feet max distance.

Arm: RH. INF - 76 mph. OF - 82 mph. Short arm action, accurate throws.  

Defense: Worked in the infield and outfield. Good footwork getting into fielding position, fielding the ball in rhythm towards his target with a clean funnel to release at times on the infield. Good footwork getting to the ball, fielding the ball with momentum towards his target and a clean funnel to release in the outfield. 

Run: 7.40 runner in the 60.

7/06/21

Positional Profile: 2B/OF

Body: 5-foot-5, 125 pounds. 

Hit: SH. Balanced stance, small leg lift load trigger leaning into back leg, takes hands back ever so slightly to trigger swing, uphill swing plane, middle of the field to pull-side gap approach on both sides of the plate. 

Power: 80.18 mph max exit velocity in BP, 63.91 mph average exit velocity, and 208 feet max distance.

Arm: RH. INF - 74 mph. OF - 76 mph. Long arm action, ¾ slot, accurate throws. 

Defense: Worked in infield and outfield. Stays back on the ball, fields the ball out in front, feet keep moving through the throw at times, clean funnel to release on the infield. Fields the ball in rhythm towards target at times, fields the ball off of glove foot, clean funnel to release in the outfield.

Run: 7.40 runner in the 60.

6/22/21

Positional Profile: 2B/SS

Body: 5-foot-5, 125 pounds.

Hit: SH. Balanced stance, lean back load trigger with leg kick, slight barrel tilt moving hands back to trigger swing, slightly uphill swing plane, pull side tendency from the left side, middle of the field approach from right side, hit primarily ground balls and line drives. 

Power: 79.17 mph max exit velocity in BP, 77.35 mph average exit velocity, 203 feet max distance.

Arm: RH. INF - 75 mph. OF - 77 mph. Short arm action, 3/4 slot.

Defense: Worked in infield and outfield. Stays back on the ball, fields the ball out in front, feet keep moving through the throw at times, clean funnel to release on the infield. Fields the ball in rhythm towards target at times, fields the ball off of glove foot, clean funnel to release in the outfield. 

Run: 7.40 runner in the 60.

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