John Klosterman
2022 GRAD
 |  C/IF, RHP
 |  Iowa City, IA
UNCOMMITTED
COLLEGE INTERESTS
Best PG Grade
8
ABOUT PG GRADES
City High
5-11  
183
HIGH SCHOOL TEAM LAST PLAYED HEIGHT/WEIGHT
R/R
15 and 5 mos
BATS/THROWS AGE
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PG EVENT RESULTS
78
FB VELO
7.79
60 YARD DASH
1.88
10 YARD SPLIT
77
IF VELO
76
C VELO
2.02
C POP
80
EXIT VELO
LATEST PG SHOWCASE REPORT
2019 Pitcher/Catcher Showcase  
John Klosterman is a 2022 C/RHP/IF with a 5-11 180 lb. frame from Iowa City, IA who attends City High. Medium frame with a strong and athletic build. Worked out defensively as a primary catcher. Wide side straddle stance to start. Some explosiveness in the lower half and gains ground while coming out of the stance. Receives out front with soft hands and into transitions. Clean footwork coming out with a compact action in the back. Still developing some arm strength but occasionally produces online carry to the bag at 76 miles per hour and popping a 2.02. Righthanded hitter with a slightly open stance and leg lift trigger for timing. Gets lower half going with rotational shifts to contact. Quick hands to contact producing barrel speed through the zone. Works the gap with a line drive approach and will create jump when barreled. Secondary righthanded pitcher with a rocker step delivery into a leg lift above the belt. Long stride down the mound landing closed off creating crossbody actions. Compact arm action through a three-quarter release. Straight fastball topping out at 76 miles per hour as well as a 10-to-4 curveball combination. Very good student as well.
PG CAREER PROGRESSION
+13 MPH
FB VELO SINCE 10/06/2017
+2 MPH
C VELO SINCE 08/10/2018
-.11 SEC
POP TIME SINCE 08/10/2018
+4 MPH
EXIT VELO SINCE 08/10/2018
VIEW PG PROGRESSION CHARTS
PERCENTILE RANKINGS
CLASS OF 2022 in the recorded year
CATEGORY TOP RESULT CLASS AVG PERCENTILE
FB 78 mph 73
79.18%
60 7.79 sec 7.73
38.59%
10 SPL 1.88 sec 1.77
16.77%
IF 77 mph 73
70.68%
C 76 mph 70
89.80%
Pop 2.02 sec 2.16
84.69%
CATEGORIES TOP RESULT CLASS AVG PERCENTILE
Exit Velo 80 mph 76
69.50%

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CATEGORY TOP RESULT CLASS AVG PERCENTILE
Max Barrel Speed 59.872 mph 61.52
36.65%
Impact Momentum 21.974 22.76
34.88%
Max Acceleration 29.316 g’s 27.69
65.20%
DIAMONDKINETICS TRENDING DATA
NON-PG VERIFIED SWINGS
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Max Barrel Speed (mph)
BEST SINGLE GAME STATS
BATTING STATSLAST OCCURRENCE
At bats: 4 Sep 10, 2017 vs. Cedar Valley Crush 14u
Runs: 3 Sep 10, 2017 vs. Minnesota Bomb Squad
Hits: 2 Sep 23, 2018 vs. Gamers 15u
RBI's: 3 Mar 24, 2019 vs. QC Sticks Mitchell
Doubles: 1 Sep 15, 2018 vs. Chicago White Sox 2021
Total bases: 4 Mar 24, 2019 vs. QC Sticks Mitchell
Walks: 2 Apr 13, 2019 vs. Iowa Sticks Sorge
Stolen bases: 1 Mar 24, 2019 vs. QC Sticks Mitchell
Home runs: 1 Mar 24, 2019 vs. QC Sticks Mitchell
Triples: 1 Apr 06, 2019 vs. Gamers Academy 2021
Hit by pitch: 1 Apr 13, 2019 vs. Iowa Sticks Conrad
PITCHING STATSLAST OCCURRENCE
Inn. pitched: 4.0 Oct 21, 2018 vs. Ostingers 15U
Runs allowed: 0 Sep 15, 2018 vs. Extreme Elite
Earned runs: 0 Sep 15, 2018 vs. Extreme Elite
Hits allowed: 1 Sep 15, 2018 vs. Extreme Elite
Strikeouts: 2 Oct 21, 2018 vs. Ostingers 15U
Walks allowed: 1 Sep 16, 2018 vs. Iowa Sticks Red
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