@JDMace2 
90
Velocity (max)
7/25/24
CLASS OF 2025
RHP
OF
JD
Mace
Burlington Christian Academy (HS) • NC
6' 6" • 209LBSR/R • 19yr 2mo
Travel Team: NCBA Golden Spikes 2025
2025 National
Rankings available to Premium Subscriber
2025 State
Rankings available to Premium Subscriber
Commitment
Best Of Stats
Fastball
85.2 - 89.2
Velo Range
7/24/24
2430
Spin Rate (avg)
7/24/24
Changeup
74 - 82
Velo Range
10/29/23
1898
Spin Rate (avg)
7/24/24
Curveball
72.1 - 76.5
Velo Range
10/29/23
2103
Spin Rate (avg)
8/02/23
Slider
84 - 84
Velo Range
7/25/24
2289
Spin Rate (avg)
7/24/24
95.3
Exit Velocity (max)
8/02/23
85.2
Exit Velocity (avg)
8/02/23
330
Distance (max)
8/02/23
64
Sweet Spot %
6/03/23
23.3
Hand Speed (max)
8/02/23
67.9
Bat Speed (max)
8/02/23
25.6
Rot. Acc (max)
8/02/23
50
Hard Hit %
8/02/23
6.79
60-yd
8/02/23
3.92
30-yd
6/03/23
1.71
10-yd
6/03/23
20.0
Run speed (max)
6/03/23
-
INF Velo
83
OF Velo
8/02/23
-
C Velo
-
Pop Time
Positional Tools
2023
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Outfield Velocity
The athlete's maximum throwing velocity from an outfield position in the given event year. Measured in miles per hour (MPH).
83.0
Hitting
2023
Exit Velocity Max
The highest exit velocity of any batted ball in the given event year. Measured in miles per hour (MPH).
95.3
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
84.4
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
330
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
185
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
16.9
Hard Hit %
Percentage of batted balls with exit velocities over 95 MPH in the given event year.
Sweet Spot %
Percentage of batted balls in the given event year with a launch angle between 8° and 32°.
Line Drive %
Percentage of batted balls with launch angles between 10 and 25 degrees in the given event year.
Fly Ball %
Percentage of batted balls with launch angles between 25 and 50 degrees in the given event year.
Ground Ball %
Percentage of batted balls with launch angles below 10 degrees in the given event year.
Top Prospect Games (Invite-Only)
Aug 2, 2023
Trackman - Hitting
95.3
Exit Velocity (max)
85.2
Exit Velocity (avg)
211
Distance (avg)
330
Distance (max)
Hard Hit %
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
PBR Scout Day: NCBA Golden Spikes
Jun 3, 2023
Trackman - Hitting
90.5
Exit Velocity (max)
83.6
Exit Velocity (avg)
160
Distance (avg)
324
Distance (max)
Hard Hit %
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Hitting
2023
Hand Speed Max
The highest Peak Hand Speed of any swing in the given event year.
23.3
Hand Speed Avg
The average Peak Hand Speed for all swings in the given event year.
22.5
Bat Speed Max
The highest Bat Speed of any swing in the given event year.
67.9
Bat Speed Avg
The average Bat Speed for all swings in the given event year.
64.8
Rotational Acceleration Max
The highest Rotational Acceleration of any swing in the given event year.
Rotational Acceleration Avg
The average Rotational Acceleration for all swings in the given event year.
On-Plane Efficiency Max
The highest On-Plane Efficiency of any swing in the given event year.
On-Plane Efficiency Avg
The average On-Plane Efficiency for all swings in the given event year.
Top Prospect Games (Invite-Only)
Aug 2, 2023
Blast - Hitting
23.3
Hand Speed (max)
22.5
Hand Speed (avg)
67.9
Bat Speed (max)
64.9
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
Pitching
2024
2023
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
89.8
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
86.8
Fastball
Spin Rate Avg
The average rate of spin for all pitches of this type in the given event year. Measured in rotations per minute (RPM).
2308
Fastball
Spin Score Avg
The average Bauer Units value of all fastballs in the given event year. Bauer Units are calculated for each pitch by dividing Spin Rate by Velocity.
26.6
Fastball
Total Movement Avg
The average total non-gravity movement for all pitches of this type in the given event year. Measured in inches (in).
Changeup
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
78.6
Changeup
Spin Rate Avg
The average rate of spin for all pitches of this type in the given event year. Measured in rotations per minute (RPM).
1822
Changeup
Total Movement Avg
The average total non-gravity movement for all pitches of this type in the given event year. Measured in inches (in).
Slider
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
77.2
Slider
Spin Rate Avg
The average rate of spin for all pitches of this type in the given event year. Measured in rotations per minute (RPM).
1867
Slider
Total Movement Avg
The average total non-gravity movement for all pitches of this type in the given event year. Measured in inches (in).
Cutter
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
83.9
Cutter
Spin Rate Avg
The average rate of spin for all pitches of this type in the given event year. Measured in rotations per minute (RPM).
2430
Cutter
Total Movement Avg
The average total non-gravity movement for all pitches of this type in the given event year. Measured in inches (in).
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
88.1
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
84.7
Fastball
Spin Rate Avg
The average rate of spin for all pitches of this type in the given event year. Measured in rotations per minute (RPM).
2174
Fastball
Spin Score Avg
The average Bauer Units value of all fastballs in the given event year. Bauer Units are calculated for each pitch by dividing Spin Rate by Velocity.
25.8
Fastball
Total Movement Avg
The average total non-gravity movement for all pitches of this type in the given event year. Measured in inches (in).
Curveball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
70.4
Curveball
Spin Rate Avg
The average rate of spin for all pitches of this type in the given event year. Measured in rotations per minute (RPM).
2075
Curveball
Total Movement Avg
The average total non-gravity movement for all pitches of this type in the given event year. Measured in inches (in).
Changeup
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
75.8
Changeup
Spin Rate Avg
The average rate of spin for all pitches of this type in the given event year. Measured in rotations per minute (RPM).
1720
Changeup
Total Movement Avg
The average total non-gravity movement for all pitches of this type in the given event year. Measured in inches (in).
Slider
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
74.3
Slider
Spin Rate Avg
The average rate of spin for all pitches of this type in the given event year. Measured in rotations per minute (RPM).
2089
Senior Future Games (Class of 2025)
Jul 24, 2024
Trackman - Fastball
89.8
Velocity (max)
85.2 - 89.2
Velo Range
87.4
Eff Velocity (avg)
2,530
Spin Rate (max)
2,373
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Trackman - Slider
79.3
Velocity (max)
80.3
Eff Velocity (avg)
2,289
Spin Rate (max)
2,289
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Trackman - ChangeUp
80.3
Velocity (max)
77.3 - 80.3
Velo Range
80.1
Eff Velocity (avg)
2,285
Spin Rate (max)
1,898
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Trackman - Cutter
83.9
Velocity (max)
84.4
Eff Velocity (avg)
2,430
Spin Rate (max)
2,430
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
NC/SC Border Battle (Invite-Only)
Jun 11, 2024
Trackman - Fastball
88.5
Velocity (max)
84.8 - 87.7
Velo Range
85.5
Eff Velocity (avg)
2,315
Spin Rate (max)
2,218
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
77.3
Velocity (max)
75.0 - 77.3
Velo Range
75.5
Eff Velocity (avg)
1,686
Spin Rate (max)
1,656
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Spin Efficiency % (avg)
Trackman - ChangeUp
79.4
Velocity (max)
77.1 - 79.4
Velo Range
77.8
Eff Velocity (avg)
2,111
Spin Rate (max)
1,778
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Top Prospect Games: Underclass (Invite-Only)
Oct 29, 2023
Trackman - Fastball
88.1
Velocity (max)
82.9 - 87.6
Velo Range
84.8
Eff Velocity (avg)
2,331
Spin Rate (max)
2,183
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
77.1
Velocity (max)
72.1 - 76.5
Velo Range
72.8
Eff Velocity (avg)
2,255
Spin Rate (max)
2,048
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
74.3
Velocity (max)
73.1
Eff Velocity (avg)
2,089
Spin Rate (max)
2,089
Spin Rate (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Trackman - ChangeUp
86.9
Velocity (max)
73.9 - 81.6
Velo Range
77.9
Eff Velocity (avg)
2,194
Spin Rate (max)
1,782
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Top Prospect Games (Invite-Only)
Aug 2, 2023
Trackman - Fastball
85.8
Velocity (max)
84.5 - 85.8
Velo Range
84.8
Eff Velocity (avg)
2,270
Spin Rate (max)
2,202
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
72.6
Velocity (max)
70.2 - 72.6
Velo Range
70.4
Eff Velocity (avg)
2,170
Spin Rate (max)
2,103
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
77.7
Velocity (max)
76.0 - 77.7
Velo Range
77.4
Eff Velocity (avg)
1,800
Spin Rate (max)
1,757
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
PBR Scout Day: NCBA Golden Spikes
Jun 3, 2023
Trackman - Fastball
82.5
Velocity (max)
80.1 - 82.5
Velo Range
84.9
Eff Velocity (avg)
2,179
Spin Rate (max)
2,094
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
66.6
Velocity (max)
62.7 - 66.2
Velo Range
65.0
Eff Velocity (avg)
2,184
Spin Rate (max)
2,094
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Spin Efficiency % (avg)
Trackman - ChangeUp
74.4
Velocity (max)
70.4 - 73.8
Velo Range
74.6
Eff Velocity (avg)
1,709
Spin Rate (max)
1,592
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
2023
Fastball
Hop+
A fastball with hop has a flat approach angle and visually jumps through the zone. When thrown up in the zone, it is more likely to generate a higher swing and miss average. Hop+ of 100 is MLB average.
Fastball
Sink+
A fastball with sink has low backspin and drops through the strike zone. When thrown down in the zone, it is more likely to generate a higher ground ball percentage and lower launch angle. Sink+ of 100 is MLB average.
Fastball
Rise+
A fastball with rise has a high percentage of backspin. When thrown up in the zone, it is more likely to generate a higher fly ball percentage. Rise+ of 100 is MLB average
Fastball
Hop+
A fastball with hop has a flat approach angle and visually jumps through the zone. When thrown up in the zone, it is more likely to generate a higher swing and miss average. Hop+ of 100 is MLB average.
Fastball
Sink+
A fastball with sink has low backspin and drops through the strike zone. When thrown down in the zone, it is more likely to generate a higher ground ball percentage and lower launch angle. Sink+ of 100 is MLB average.
Fastball
Rise+
A fastball with rise has a high percentage of backspin. When thrown up in the zone, it is more likely to generate a higher fly ball percentage. Rise+ of 100 is MLB average
Pitching Velos
2024
2023
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
90.0
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
86.5
Changeup
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
79.2
Slider
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
80.0
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
88.0
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
84.0
Curveball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
70.0
Changeup
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
75.7
Slider
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
74.0
Game Performance
2024
2023
RSi
The reactive strength index measurement of an athlete's explosiveness by comparing their jump height to the ground contact time in between their jumps. On a scale of 0-5.
Vertical Jump
A measure of any athlete's body strength and reach calculated from the flight time divided by the contact time.
10 Yard Dash
The athlete's fastest 0-10-yard split time in the given event year. Measured in seconds.
1.71
30 Yard Dash
The athlete's fastest 0-30-yard split time in the given event year. Measured in seconds.
3.92
60 Yard Dash
The athlete's fastest 0-60-yard time in the given event year. Measured in seconds.
6.79
Top Speed (MPH)
The athlete's fastest split time converted to miles per hour.
Vizual Edge
Pitch Ai
Notes
News
- Best of 2024: Top NC Fastballs - Jan 2, 2025
- Summer Review: Team NC Athletic Testing Leaders - Oct 14, 2024
- Commitment Corner: September Decisions - Oct 4, 2024
- Summer Review: Team NC Fastball Leaders - Oct 2, 2024
- Senior Future Games: Fastball Analytics - NC Arms - Sep 26, 2024
- Top Uncommitted Arms in 2025 Rankings Update - Sep 5, 2024
- Sr. Future Games: Quick Hitters on NC Arms with Team Mid-Atlantic - Aug 8, 2024
- NC/SC Border Battle: Blast Leaders - Jun 27, 2024
- NC/SC Border Battle: Quick Hitters NC Pitchers - Jun 20, 2024
- NC/SC Border Battle: Data Dive - Jun 18, 2024
- Tankersley Leads Greenfield past Burlington Christian, Mace - May 13, 2024
- Underclass Spotlight: JD Mace - Jan 24, 2024
- Best of 2023: Top 60yd Times - Jan 15, 2024
- Best of 2023: Top Fastball Velocity - Jan 10, 2024
- 2023 PBR Scout Days: Best Curveball Metrics - Dec 21, 2023
- 2023 PBR Scout Days: Top Fastball Metrics - Dec 20, 2023
- 2023 PBR Scout Days: Fastest Runners - Dec 19, 2023
- Top Prospect Games: Underclass - Pitcher Superlatives - Nov 22, 2023
- Inside the 2025 Rankings: Newcomers - Sep 1, 2023
- Podcast: 2025 Rankings - How Many 1st Rounders??? - Sep 1, 2023
- Top Prospect Games: Swift Running Leaders - Aug 18, 2023
- Top Prospect Games: 2023 Superlatives - Aug 17, 2023
- Podcast: Top Prospect Games Recap: He Became a Pro Prospect Right There - Aug 17, 2023
- Top Prospect Games: TrackMan Pitching Leaders - Aug 15, 2023
- Top Prospect Games: TrackMan Hitting Leaders - Aug 11, 2023
- Quick Hitters: Top Prospect Games Underclass Pitchers - Aug 10, 2023
- TrackMan Leaders: NCBA Golden Spikes Pitchers - Jun 22, 2023
- Trackman Leaders: NCBA Golden Spikes - Hitters - Jun 14, 2023
- Quick Hitters: NCBA Golden Spikes Pitchers - Jun 14, 2023
- Quick Hitters: NCBA Golden Spikes - Position Players - Jun 9, 2023
- Statistical Breakdown: NCBA Golden Spikes Scout Day - Jun 7, 2023
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Physical
2024
Grip Strgth (LH)
Grip strength is a measure of a players bat control and ability to transfer power and speed during impact, measured in pounds of force generated; collected with elbow bent at 90 degrees.
Grip Strgth (RH)
Grip strength is a measure of a players bat control and ability to transfer power and speed during impact, measured in pounds of force generated; collected with elbow bent at 90 degrees.
Positional Profile: RHP/OF Pitch-ability right hander that is flashing stuff that creates swing and miss vs. LH and RH hitters. Solid feel for 3 pitches and pitching.
Body: 6-6, 209-pounds. Physical presence with broad shoulders and athletic trim.
Delivery: 1B side setup. Side step and small slide, turning into his pivot. Kick to the low chest. Controlled head and upper half, working level and in-line. Lands on-line with a square foot-strike. Active lower half allows the body to work on-line with some ease. Small finish to the 1B side.
Arm Action: RH. Long action, plunging out of the glove. Front side works slightly above shoulder level. Over-the-top with average to above arm speed.. Has intent with all pitches.
FB: T88, 85-88 mph. Solid run and ride. Showed feel for pounding the down zone. T2315, 2218 average rpm.
SL: 75-77 mph. Short, late action. Similar window to the fastball. More missed barrels than bats. Pitch should continue to mature in coming years. T1686, 1656 average rpm.
CH: 77-79 mph. Excellent arm speed. Good feel for landing to the arm side. Ball fades late. T2111, 1778 average rpm.
ATH: 28.00 max vertical.