John Klosterman
John Klosterman
John Klosterman
John Klosterman




Iowa City High (HS) • IA
6-0 • 202LBS • R/R
Travel Team: Perfect Game Select Black


2022 National

Rankings available to Premium Subscriber

Log In Subscribe to PBR Plus

2022 State

Rankings available to Premium Subscriber

Log In Subscribe to PBR Plus


Player has made a commitment?
Tell us where


This Area is only available to PBR Premium Content Subscribers.

Loading stats!!



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.

Read More Read Less


Premium Content Area

To unlock contact information, you need to purchase a ScoutPLUS subscription.

Purchase Subscription