21.9
Hand Speed (max)
8/08/21
CLASS OF 2022
C
RHP
John
Klosterman
Iowa City High (HS) • IA
6' 0" • 202LBS
R/R • 20yr 6mo
Travel Team: Perfect Game Select Black
6' 0" • 202LBS
R/R • 20yr 6mo
Travel Team: Perfect Game Select Black
Rankings
2022 National
Rankings available to Premium Subscriber
2022 State
Rankings available to Premium Subscriber
Commitment
UNCOMMITTED
Player has made a commitment?
Tell us where
Best Of Stats
70.6
Bat Speed (max)
8/08/21
23.9
Rot. Acc (max)
8/08/21
-
Hard Hit %
95.7
Exit Velocity (max)
8/08/21
-
Exit Velocity (avg)
-
Distance (max)
-
Sweet Spot %
7.01
60
3/07/21
-
30-yd
-
10-yd
-
Run speed (max)
83
INF Velo
8/04/19
-
OF Velo
82
C Velo
3/07/21
1.95 - 2.10
Pop Time
8/08/21
Fastball
86.3
Velocity (max)
8/08/21
82 - 87
Velo Range
8/08/21
2147
Spin Rate (avg)
3/07/21
Changeup
77 - 79
Velo Range
3/07/21
-
Spin Rate (avg)
Curveball
72.3 - 76.3
Velo Range
8/08/21
2451
Spin Rate (avg)
3/07/21
Slider
76 - 77
Velo Range
8/08/21
2430
Spin Rate (avg)
3/07/21
Positional Tools
2021
2019
Sign in to view rankings 
60 Yard Dash
The athlete's fastest 60-yard dash time in the given event year. Measured in seconds (s)
7.01
Pop Time
The athlete's fastest pop time in the given event year. Measured from glove to glove, in seconds (s).
1.95 - 2.10
Catcher Velocity
The athlete's maximum throwing velocity from the catcher position in the given event year. Measured in miles per hour (MPH).
82.0
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.
13.6
60 Yard Dash
The athlete's fastest 60-yard dash time in the given event year. Measured in seconds (s)
7.52
Home to First
The athlete's fastest home-to-first time in the given event year. Measured from bat-on-ball to foot-on-bag, in seconds (s).
4.6
Pop Time
The athlete's fastest pop time in the given event year. Measured from glove to glove, in seconds (s).
2.07 - 2.15
Catcher Velocity
The athlete's maximum throwing velocity from the catcher position in the given event year. Measured in miles per hour (MPH).
75.0
Infield Velocity
The athlete's maximum throwing velocity from an infield position in the given event year. Measured in miles per hour (MPH).
83.0
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.
11.6
Hitting
2021
Exit Velocity Max
The highest exit velocity of any batted ball in the given event year. Measured in miles per hour (MPH).
95.7
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
87.4
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
345
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
233
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
21.1
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.
PBR IA Top Prospect Games- 2022 Grads (Invite Only)
Aug 8, 2021
Trackman - Hitting
95.7
Exit Velocity (max)
88.7
Exit Velocity (avg)
261
Distance (avg)
345
Distance (max)
Hard Hit %
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
PBR IA Preseason All-State (Invite Only)
Mar 7, 2021
Trackman - Hitting
91.7
Exit Velocity (max)
85.6
Exit Velocity (avg)
194
Distance (avg)
321
Distance (max)
Hard Hit %
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Hitting
2021
Hand Speed Max
The highest Peak Hand Speed of any swing in the given event year.
21.9
Hand Speed Avg
The average Peak Hand Speed for all swings in the given event year.
20.2
Bat Speed Max
The highest Bat Speed of any swing in the given event year.
70.6
Bat Speed Avg
The average Bat Speed for all swings in the given event year.
69.1
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.
PBR IA Top Prospect Games- 2022 Grads (Invite Only)
Aug 8, 2021
Blast - Hitting
21.9
Hand Speed (max)
20.5
Hand Speed (avg)
70.6
Bat Speed (max)
69.2
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
PBR IA Preseason All-State (Invite Only)
Mar 7, 2021
Blast - Hitting
19.8
Hand Speed (max)
19.3
Hand Speed (avg)
69.9
Bat Speed (max)
68.9
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).
86.3
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
83.7
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).
2142
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.
25.6
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).
Curveball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
73.7
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).
2374
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).
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).
1447
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).
72.2
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).
2430
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).
Splitter
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
75.8
Splitter
Total Movement Avg
The average total non-gravity movement for all pitches of this type in the given event year. Measured in inches (in).
PBR IA Top Prospect Games- 2022 Grads (Invite Only)
Aug 8, 2021
Trackman - Fastball
84.0
Velocity (max)
80.9 - 84.0
Velo Range
82.8
Eff Velocity (avg)
2,262
Spin Rate (max)
2,135
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Trackman - Curveball
77.2
Velocity (max)
72.3 - 76.3
Velo Range
73.7
Eff Velocity (avg)
2,421
Spin Rate (max)
2,350
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Trackman - Splitter
75.8
Velocity (max)
75.6
Eff Velocity (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
PBR IA Preseason All-State (Invite Only)
Mar 7, 2021
Trackman - Fastball
86.2
Velocity (max)
85.3 - 86.2
Velo Range
85.5
Eff Velocity (avg)
2,188
Spin Rate (max)
2,147
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Trackman - Curveball
73.0
Velocity (max)
70.3 - 73.0
Velo Range
71.6
Eff Velocity (avg)
2,496
Spin Rate (max)
2,451
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Trackman - Slider
72.6
Velocity (max)
71.8 - 72.6
Velo Range
71.1
Eff Velocity (avg)
2,480
Spin Rate (max)
2,430
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Trackman - ChangeUp
79.4
Velocity (max)
77.9 - 79.3
Velo Range
78.8
Eff Velocity (avg)
1,536
Spin Rate (max)
1,447
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Pitch Scores
Pitching Velos
2021
2019
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
87.0
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
84.8
Curveball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
72.2
Changeup
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
78.0
Slider
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
74.5
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
80.0
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
78.8
Curveball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
64.8
Changeup
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
73.2
Game Performance
Visual Edge
Pitch Ai
Notes
News
- PBR Iowa High School Preview: Iowa City High - Apr 14, 2022
- Uncommitted Senior Spotlight- John Klosterman, C/RHP, Iowa City High - Oct 4, 2021
- PBR IA Top Prospect Games- Scouting Reports - Sep 14, 2021
- PBR IA Top Prospect Games- Trackman Pitching Leaderboard - Aug 12, 2021
- PBR IA HS Team Preview: Iowa City High - May 5, 2021
- PBR IA Preseason All-State: Pitcher Evaluations (2022 Grads) - Apr 16, 2021
- PBR IA Preseason All-State: Catcher Evaluations (2022 Grads) - Apr 12, 2021
- PBR Iowa High School Team Preview: Iowa City High - May 8, 2020
- PBR IA Underclass Prospect Games: Top Prospects- 2022 Grads - Sep 13, 2019
- PBR IA Underclass Prospect Games: Pitcher Evaluations - Aug 30, 2019
- PBR IA Underclass Prospect Games: Infielder Evaluations - Aug 28, 2019
- 2019 PBR IA Team Capsule: City High - May 16, 2019
- PBR IA Preseason All-State: Top Prospects- 2022 Grads - Apr 5, 2019
- PBR IA Preseason All-State: Pitcher Evaluations - Apr 4, 2019
- PBR IA Preseason All-State: Catcher Evaluations - Apr 1, 2019
- PBR IA Preseason All-State: 2022 Grad Stat Breakdown - Mar 14, 2019
- PBR IA Preseason All-State: Instant Analysis - Mar 12, 2019
Comments
Draft Reports
Contact
Premium Content Area
To unlock contact information, you need to purchase a ScoutPLUS subscription.
Purchase Subscription OR
Login
Committed to play football at Iowa State University.
Positional Profile: RHP/C
Body: 6-1, 202-pounds. Athletic build.
Defense: 1.95-2.10 pop times. C - 80 mph. Athletic actions, Quick footwork, clean exchanges, solid carry and accuracy on throws to 2B. Communicates well in game.
Hit: RHH. Wide balanced stance, small body and hand load. Present strength with quick hands. Uphill swing plane, gap-to-gap approach. Consistent line-drive and fly ball contact.
Power: 86 mph exit velocity from the tee. Strength in barrel.
Run: 7.17 runner in the 60.
Delivery: Side step delivery, repeats tempo, high leg kick balance point, lands slightly closed working across his body. Athletic finish.
Arm Action: RH. High-¾ to OT arm slot, clean action, hides ball.
FB: T87, 82-87 mph. Straight action, works both sides of the plate.
CB: 72-75 mph. Sharp 12/6 break.
SL: 76-77 mph. 11/5 spin, similar to CB.
Positional Profile: RHP/C
Body: 6-0, 202-pounds.
Defense: 1.99-2.06 pop times. C - 82 mph. Athletic behind plate, solid footwork, clean exchanges, above avg. carry on throws, mostly on bag with accuracy.
Hit: Square stance, slight easy body load, present strength, shows power potential, stiffer finish through contact, pull approach.
Power: 87 mph exit velocity from the tee.
Run: 7.01 runner in the 60.
Delivery: Side step, higher leg kick,repeats well, leaks off rubber early, strike thrower.
Arm Action: Clean compact arm path, high ¾ to OT slot.
FB: T86, 84-86 mph. Occasional running action; mostly straight.
CB: 70-72 mph. Sharper 12/6 break
SL: 72-73 mph. Same pitch as CB.
CH: 77-79 mph. Solid feel, shows run and sink.
5-foot-10, 185-pound right-handed hitting 2-way player. On mound; Balanced delivery with short compact arm action; lands across body creating slight cross-fire to plate. Fastball was 77-80 mph with varying action to plate. Solid spin and break on 11/5 curveball. Throws changeup with above avg. arm speed creating late fade and sink. 4.60 home to first time. Square stance, easy body load, has strength in hands, pushes/punches through contact, has ability to drive baseball, occasional pop in bat, 87 mph exit velocity. Works low to ground with softer hands and solid overall actions, clean compact arm action, shows accuracy and carry to bag, 83 mph arm across infield.
5-foot-10,178-pound right-handed hitting 2-way player. 7.52 runner. Square stance with easy leg kick trigger, has present strength, has rhythm in swing and hands are loose to trigger athletic swing, shows pop in bat, gap to gap approach, consistently squares baseball well, 85 mph exit velocity. Quiet pre-pitch movements, solid athleticism, shows ability to block and receive. Quick exchange, solid direction and footwork, some hitch and inconsistency with release, avg. accuracy to bag, 75 mph arm strength with 2.07-2.15 pop times. On mound; quicker tuck and turn balance point, swings down mound, lands across body, with short arm path across body. Fastball was 78-80 mph with running action to plate. Early break with avg. spin on 11/5 curveball. Loose spin with inconsistent shape on flat slider. Later diving action on changeup with solid running action to plate.