89
Velocity (max)
9/24/25
CLASS OF 2027
RHP
SS
Jayden
King
Union Grove (HS) • WI
5' 11" • 167.3LBS
R/R • 17yr
Travel Team: Prospects Cardinal
5' 11" • 167.3LBSR/R • 17yr
Travel Team: Prospects Cardinal
Rankings
2027 National
Rankings available to Premium Subscriber
2027 State
Rankings available to Premium Subscriber
Commitment
UNCOMMITTED
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Best Of Stats
Fastball
87.1 - 88.5
Velo Range
9/24/25
2399
Spin Rate (avg)
9/24/25
Changeup
80.4 - 81.1
Velo Range
9/24/25
1671
Spin Rate (avg)
3/22/25
Curveball
71 - 75
Velo Range
9/24/25
2238
Spin Rate (avg)
9/24/25
Slider
66 - 68
Velo Range
9/20/24
1816
Spin Rate (avg)
7/31/25
Positional Tools
Hitting
Hitting
Pitching
2025
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Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
89.0
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
83.5
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).
2255
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.
27.0
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).
69.5
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).
2162
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).
76.0
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).
1536
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).
66.1
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).
1816
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).
Sinker
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
79.1
Sinker
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).
1972
Sinker
Total Movement Avg
The average total non-gravity movement for all pitches of this type in the given event year. Measured in inches (in).
Milwaukee Fall ID
Sep 24, 2025
Trackman - Fastball
89.0
Velocity (max)
87.1 - 88.5
Velo Range
86.6
Eff Velocity (avg)
2,485
Spin Rate (max)
2,399
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
75.6
Velocity (max)
70.6 - 74.5
Velo Range
70.3
Eff Velocity (avg)
2,292
Spin Rate (max)
2,238
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
81.1
Velocity (max)
80.4 - 81.1
Velo Range
78.9
Eff Velocity (avg)
1,535
Spin Rate (max)
1,457
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Wisconsin State Games (Invite-Only)
Jul 31, 2025
Trackman - Fastball
85.4
Velocity (max)
81.8 - 83.8
Velo Range
81.5
Eff Velocity (avg)
2,338
Spin Rate (max)
2,205
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
71.3
Velocity (max)
68.0 - 70.9
Velo Range
67.3
Eff Velocity (avg)
2,206
Spin Rate (max)
2,071
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
66.1
Velocity (max)
63.9
Eff Velocity (avg)
1,816
Spin Rate (max)
1,816
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
74.3
Velocity (max)
72.4
Eff Velocity (avg)
1,253
Spin Rate (max)
1,253
Spin Rate (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Milwaukee Preseason ID
Mar 22, 2025
Trackman - Fastball
83.2
Velocity (max)
80.7 - 83.0
Velo Range
80.6
Eff Velocity (avg)
2,326
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
68.3
Velocity (max)
65.5 - 68.3
Velo Range
64.5
Eff Velocity (avg)
2,327
Spin Rate (max)
2,206
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
73.1
Velocity (max)
69.6 - 73.1
Velo Range
69.2
Eff Velocity (avg)
1,902
Spin Rate (max)
1,671
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Trackman - Sinker
80.2
Velocity (max)
77.6 - 80.2
Velo Range
77.1
Eff Velocity (avg)
2,023
Spin Rate (max)
1,972
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
2025
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
Curveball
Hammer+
A hammer breaking ball drops vertically with velocity through the zone, or 12-to-6 movement. Hammer+ of 100 is MLB average.
Curveball
Sweep+
A sweeping breaking ball moves horizontally with velocity through the zone. Sweep+ of 100 is MLB average.
Pitching Velos
2025
2024
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
89.0
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
83.8
Curveball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
69.2
Changeup
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
75.3
Slider
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
66.0
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
82.0
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
80.8
Curveball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
61.5
Slider
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
66.5
Game Performance
2025
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.
Vizual Edge
2025
Edge Score
The highest Edge Score within the given year. Edge Score is a comprehensive score that takes the core-six visual skills into account, providing an assessment of an athlete’s overall visual ability.
39.31
Pitch Ai
Notes
News
- Milwaukee Fall ID: Player Analysis - Oct 10, 2025
- Wisconsin State Games Player Analysis: Right-Handed Pitchers - Oct 9, 2025
- Milwaukee Fall ID: Quick Hits - Oct 1, 2025
- Milwaukee Fall ID: Positional Data Dive - Sep 29, 2025
- Milwaukee Fall ID: Pitching Data Dive - Sep 29, 2025
- Milwaukee Fall ID: Statistical Analysis - Sep 26, 2025
- 2025 Summer Rewind: Max Batted Distance Leaderboard - Sep 11, 2025
- 2025 Summer Rewind: Max Fastball Leaderboard - Sep 9, 2025
- 2025 Wisconsin State Games: 2027 Takeaways - Aug 20, 2025
- 2025 Wisconsin State Games: Pitching Data Dive - Aug 4, 2025
- Milwaukee Preseason ID: Quick Hits - Mar 28, 2025
- Milwaukee Preseason ID: Pitcher Data Dive - Mar 28, 2025
- Milwaukee Preseason ID: Statistical Analysis - Mar 26, 2025
- The Rock Tournament Winners: Class of 2027/2028 - Jan 17, 2025
- Rock Summer Championship 15U: Takeaways - Jun 19, 2024
Comments
Draft Reports
Contact
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Physical
2025
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.
Jayden King, Union Grove (WI), 2027
Positional Profile: RHP/SS
Body: 5-11, 167-pounds.
Delivery: Stretch only, repeatable, higher leg kick, stays in line, drop and drive into the back leg.
Arm Action: RH. 3/4 slot, drops arm down during delivery.
FB: T89, 87-88 mph. Higher spin, plays straighter, around the zone. T2485, 2399 average rpm.
CB: 71-75 mph. Horizontal mover, 10/4, gradual breaker. T2292, 2238 average rpm.
CH: 80-81 mph. Keeps it low in zone. T1535, 1457 average rpm.
ATH: 23.50 max vertical.
+ RHP Jayden King (Union Grove, 2027) currently ranked No. 72 in the state’s 2027 class, King threw the loudest bullpen of the event, leading the group in velocity. King showed command throughout and worked a three pitch mix. The 5-foot-11, 167-pound right-hander worked his fastball up to 89 mph, sitting 87-88 mph with an avg. of 2399 rpm and 15 in. of avg. IVB. King flashed a curveball in the low to mid 70s with -14 in of HM and an 2238 rpm. Also, showed a changeup in the low 80s with 11 in. of HM, working armside. King is an uncommitted name to follow in the 2027 class.
Jayden King, Union Grove (WI), 2027
Positional Profile: RHP/SS
Body: 6-0, 161-pounds. Wiry, well-proportioned build.
Delivery: Stretch-only, medium leg lift with tuck, drop/drive down the mound.
Arm Action: RH. Compact arm action, 3/4 slot.
FB: T85, 82-84 mph. Plays straight through the zone. T2338, 2205 average rpm.
CB: 68-71 mph. Short depth, 11/5 shape. T2206, 2071 average rpm.
SL: 66-66 mph. Short and quick breaking action with the ability to land. T1816, 1816 average rpm.
CH: 74-74 mph. Plays with some cut. T1253, 1253 average rpm.
+ Jayden King, RHP (Union Grove): King stands in an upside and athletic 6-foot, 161-pound frame with plenty of room for physical development. He's an athletic mover on the mound with minimal effort, sitting in the low-80s that was up to 85.4 mph. King also showed a curveball with an average of -5.8 inches of induced vertical break and -13.3 inches of horizontal movement, also showing a change-up at 74 mph. The upside and movement patterns are intriguing, and King is an uncommitted name to know in the class.
+ RHP Jayden King (Union Grove, 2027) is an interesting sophomore with upside on the mound showcasing a super athletic delivery with a quick arm. King was up to 83 mph with his fastball, threw a curveball with 11/5 shape and break to it and deployed a change up that he showed solid feel for.
Jayden King, Union Grove (WI), 2027
Positional Profile: RHP/SS
Body: 5-10, 162-pounds. Wiry, proportional frame.
Delivery: High tuck, drop and drive, gets down the mound with balance and good direction through the delivery, really athletic through the delivery.
Arm Action: RH. Medium arc, up on time, 3/4 slot, loose and fluid through the ball repeats.
FB: T83, 81-83 mph. 4S: Plays with carry through the zone, has touch and feel to spots. 2S: Late two seam bore, has feel for the zone. T3676, 2326 average rpm.
CB: 65-68 mph. Sharpness to the pitch, can spin it, 11/5 type shape, can land. T2327, 2206 average rpm.
CH: 70-73 mph. Late depth and sink at the plate, has feel for the pitch. T1902, 1671 average rpm.
ATH: 19.30 max vertical.
King pitched six strong innings for PTA and maintained velocity throughout the game sitting 79-82 mph with his FB for most of the game and eventually finishing out at 80-81 mph in his final inning of work. His CB was 60-62 mph with an 11/5 break and his slider was 65-67 mph with a notable amount of horizontal break. Mechanically, King showcased an easy delivery that flowed well rhythmically. He exhibited a loose and whippy ¾ arm action that produced weak contact. An overall strong day for the right-hander.