82
Velocity (max)
10/30/21
CLASS OF 2024
LHP
LHP
Spencer
Stephens
Bolles (HS) • FL
6' 4" • 215LBS
L/L • 18yr 1mo
Travel Team: Top Tier Roos
6' 4" • 215LBS
L/L • 18yr 1mo
Travel Team: Top Tier Roos
Rankings
2024 National
Rankings available to Premium Subscriber
2024 State
Rankings available to Premium Subscriber
Commitment
Best Of Stats
Fastball
80 - 82
Velo Range
10/30/21
1615
Spin Rate (avg)
10/30/21
Changeup
71.7 - 74.2
Velo Range
10/30/21
1696
Spin Rate (avg)
10/30/21
Curveball
65 - 69
Velo Range
6/17/21
2089
Spin Rate (avg)
10/30/21
99
Exit Velocity (max)
12/02/22
89.7
Exit Velocity (avg)
12/02/22
330
Distance (max)
12/02/22
57
Sweet Spot %
12/18/20
25.6
Hand Speed (max)
12/02/22
83.2
Bat Speed (max)
12/02/22
26.5
Rot. Acc (max)
12/02/22
-
Hard Hit %
8.82
60
12/18/20
-
30-yd
-
10-yd
-
Run speed (max)
Positional Tools
2020
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60 Yard Dash
The athlete's fastest 60-yard dash time in the given event year. Measured in seconds (s)
8.82
Power / Speed Score
A simple calculation that divides the athlete’s Exit Velocity Max by the athlete’s 60 Yard Dash time for the given event year. For example, 98 MPH / 7.00s = 14.00.
9.8
Hitting
2022
2020
Exit Velocity Max
The highest exit velocity of any batted ball in the given event year. Measured in miles per hour (MPH).
99.0
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
89.7
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).
266
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
25.0
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.
Exit Velocity Max
The highest exit velocity of any batted ball in the given event year. Measured in miles per hour (MPH).
86.2
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
77.8
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
244
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
158
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
13.4
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.
2022 Top Tier Roos Tryout
Dec 2, 2022
Trackman - Hitting
99.0
Exit Velocity (max)
89.7
Exit Velocity (avg)
266
Distance (avg)
330
Distance (max)
Hard Hit %
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Top Tier Roos Tryout
Dec 18, 2020
Trackman - Hitting
86.2
Exit Velocity (max)
77.8
Exit Velocity (avg)
158
Distance (avg)
244
Distance (max)
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Hitting
2022
2020
Hand Speed Max
The highest Peak Hand Speed of any swing in the given event year.
25.6
Hand Speed Avg
The average Peak Hand Speed for all swings in the given event year.
24.7
Bat Speed Max
The highest Bat Speed of any swing in the given event year.
83.2
Bat Speed Avg
The average Bat Speed for all swings in the given event year.
77.1
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.
Hand Speed Max
The highest Peak Hand Speed of any swing in the given event year.
22.4
Hand Speed Avg
The average Peak Hand Speed for all swings in the given event year.
21.2
Bat Speed Max
The highest Bat Speed of any swing in the given event year.
60.8
Bat Speed Avg
The average Bat Speed for all swings in the given event year.
58.7
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.
2022 Top Tier Roos Tryout
Dec 2, 2022
Blast - Hitting
25.6
Hand Speed (max)
24.7
Hand Speed (avg)
83.2
Bat Speed (max)
77.1
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
Top Tier Roos Tryout
Dec 18, 2020
Blast - Hitting
22.4
Hand Speed (max)
21.2
Hand Speed (avg)
60.8
Bat Speed (max)
58.7
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
Pitching
2021
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
81.5
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
79.6
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).
1615
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.
20.3
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).
73.3
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).
2089
Changeup
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
73.0
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).
1696
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).
2021 Sophomore State Games
Oct 30, 2021
Trackman - Fastball
81.5
Velocity (max)
78.3 - 81.0
Velo Range
78.0
Eff Velocity (avg)
1,739
Spin Rate (max)
1,615
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Trackman - Curveball
73.3
Velocity (max)
2,089
Spin Rate (max)
2,089
Spin Rate (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Trackman - ChangeUp
74.2
Velocity (max)
71.7 - 74.2
Velo Range
71.1
Eff Velocity (avg)
1,972
Spin Rate (max)
1,696
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Pitch Scores
2021
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
2021
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)
79.2
Curveball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
67.2
Changeup
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
71.0
Game Performance
2022
10 Yard Dash
The athlete's fastest 0-10-yard split time in the given event year. Measured in seconds.
1.81
30 Yard Dash
The athlete's fastest 0-30-yard split time in the given event year. Measured in seconds.
4.41
60 Yard Dash
The athlete's fastest 0-60-yard time in the given event year. Measured in seconds.
8.02
Top Speed (MPH)
The athlete's fastest split time converted to miles per hour.
Visual Edge
Pitch Ai
Notes
News
- 2024 Power25 Countdown: No. 18 Bolles - Jan 17, 2024
- Best of 2022: Exit Velo - Jan 10, 2023
- Top Tier Roos Summer Tryout/Scout Day: Statistical Analysis - Dec 5, 2022
- 2021 Sophomore State Games: North Region Analysis - Dec 9, 2021
- 2021 Sophomore State Games: Statistical Analysis - Nov 1, 2021
- 2021 Sophomore State Games: North Preview - Oct 28, 2021
- Top Tier Roos Tryout: Statistical Analysis - Dec 22, 2020
Comments
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6-foot-2, 205-pound solid sturdy build. Above average projectable on the mound, showed good consistent arm speed with a short quick arm action and a ¾ low ¾ arm angle. Drop-and-drive type pitcher and uses decent effort. Showed tall consistent balance point and even in line shoulders. Lands square and soft with a clean balanced finish. Curveball (65-69 mph). Threw his fastball 80-82 mph; showed arm side control and slight running action. (Max spin 1738; Avg 1613). His changeup (73-74) showed fading action and down in the zone command.