John Klosterman
2022 GRAD
 |  C/3B, IF, RHP
 |  Iowa City, IA
UNCOMMITTED
Best PG Grade
7.5
ABOUT PG GRADES
NATIONAL RANKING
IA STATE RANKING
NR NR
NR NR
OVERALL
C
OVERALL
C
City High
5-11  
180
HIGH SCHOOL TEAM LAST PLAYED HEIGHT/WEIGHT
R/R
15 and 3 mos
BATS/THROWS AGE
PG EVENT RESULTS
78
FB VELO
7.79
60 YARD DASH
1.88
10 YARD SPLIT
77
IF VELO
74
C VELO
2.13
C POP
76
EXIT VELO
LATEST PG SHOWCASE REPORT
2018 Midwest Prospect Showcase  
John Klosterman is a 2022 C/RHP, 3B, IF with a 5-10 170 lb. frame from Iowa City, IA who attends City High. Medium frame with a lean build and wiry strength. Primary catcher with a low, balanced stance while receiving the baseball. Gains ground while working out of crouch. Receives the baseball deep and works through exchange with an efficient glove circle. Baseball comes out quickly creating on line carry to the bag at 74 miles per hour, best workout pop time of 2.13. Also worked out defensively from the infield showing smooth footwork while surrounding the baseball. Soft hands while funneling and worked through transition with loose exchanges. Took aggressive angles to the baseball while moving laterally. Created some on line carry across the infield topping at 77 miles per hour. Right handed hitter with a slightly closed stance and simple front side trigger. Works to contact with rotational lower half actions. Employed a mid field approach and flashed the ability to generate tight back spin off the barrel. Flashed solid carry to the gaps when on time and squared. Also pitched showing a short side step to medium leg lift delivery. Stays balanced at gather and tends to land on a slightly closed front side at release. Compact arm circle at take back and released from a lower three-quarters slot. Fastball came out of hand cleanly creating occasional downhill tilt in the low 70's, topped at 72 miles per hour. Curveball had 11/5 shape with solid spin and good depth when staying on top of offering. Showed good feel and confidence with breaking ball and would look to deliver in both positive and negative counts. Excellent student as well.
PG CAREER PROGRESSION
+15 MPH
FB VELO SINCE 10/06/2017
VIEW PG PROGRESSION CHARTS
PERCENTILE RANKINGS
CLASS OF 2022 in recorded year
CATEGORY TOP RESULT CLASS AVG PERCENTILE
FB 78 mph 73
79.33%
60 7.79 sec 7.73
39.13%
10 SPL 1.88 sec 1.77
17.33%
IF 77 mph 73
70.97%
C 74 mph 69
84.75%
Pop 2.13 sec 2.17
58.5%
CATEGORIES TOP RESULT CLASS AVG PERCENTILE
Exit Velo 76 mph 75
53.40%
CATEGORY TOP RESULT CLASS AVG PERCENTILE
Max Barrel Speed 59.785 mph 59.23
53.30%
Impact Momentum 21.862 21.72
52.85%
Max Acceleration 29.316 g’s 27.65
64.93%
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: 2 Sep 23, 2018 vs. Gamers 15u
Doubles: 1 Sep 15, 2018 vs. Chicago White Sox 2021
Total bases: 2 Sep 15, 2018 vs. Chicago White Sox 2021
Walks: 2 Sep 10, 2017 vs. Minnesota Bomb Squad
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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