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Kooper Klein
2027 GRAD
 |  3B/OF, RHP, UT
 |  Mesa, AZ
UNCOMMITTED
Best PG Grade
8.5
ABOUT PG GRADES
Mountain View
HIGH SCHOOL
5-9
  145
HEIGHT/WEIGHT
R/R
BATS/THROWS
16 and 9 mos
AGE
PG EVENT RESULTS
81 mph
FB VELO
6/6/2025
6.69 sec
60 YARD DASH
8/1/2025
1.75 sec
10 YARD SPLIT
8/1/2025
76 mph
IF VELO
8/1/2025
86 mph
EXIT VELO
8/2/2025
106 lb
L-Grip
109.20 lb
R-Grip

Batting Stats
Advanced Statistics
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Batting Spray Chart Spray Chart

2025 Calendar Year

OPS AVG OBP SLG G AB R H 2B 3B HR RBI BB SO SB CS WG
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Advanced
XBH TB BB/K BB% K% IBB HBP SF ISO BABIP SW% SM% WHIF% B% S% QAB
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Batted Ball
PA GO/AO GB% AIR% PULL% OPPO% HR/FB GIDP
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2024 Calendar Year

OPS AVG OBP SLG G AB R H 2B 3B HR RBI BB SO SB CS WG
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Advanced
XBH TB BB/K BB% K% IBB HBP SF ISO BABIP SW% SM% WHIF% B% S% QAB
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Batted Ball
PA GO/AO GB% AIR% PULL% OPPO% HR/FB GIDP
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2023 Calendar Year

OPS AVG OBP SLG G AB R H 2B 3B HR RBI BB SO SB CS WG
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Advanced
XBH TB BB/K BB% K% IBB HBP SF ISO BABIP SW% SM% WHIF% B% S% QAB
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Batted Ball
PA GO/AO GB% AIR% PULL% OPPO% HR/FB GIDP
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2022 Calendar Year

OPS AVG OBP SLG G AB R H 2B 3B HR RBI BB SO SB CS WG
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Advanced
XBH TB BB/K BB% K% IBB HBP SF ISO BABIP SW% SM% WHIF% B% S% QAB
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Batted Ball
PA GO/AO GB% AIR% PULL% OPPO% HR/FB GIDP
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Pitching Stats
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2025 Calendar Year

W L SV GP ERA IP H R ER 2B 3B HR BB IBB HBP SO AVG OPS WHIP WG
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BF P P/IP P/BF B% S% SW% SM% WHIF% WP BK K/BB BB% K% K/7 BB/7 OBP SLG
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Batted Ball
BF XBH GO/AO GB% AIR% HR/FB GIDP BABIP ISO PULL% OPPO%
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2024 Calendar Year

W L SV GP ERA IP H R ER 2B 3B HR BB IBB HBP SO AVG OPS WHIP WG
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Advanced
BF P P/IP P/BF B% S% SW% SM% WHIF% WP BK K/BB BB% K% K/7 BB/7 OBP SLG
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Batted Ball
BF XBH GO/AO GB% AIR% HR/FB GIDP BABIP ISO PULL% OPPO%
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2023 Calendar Year

W L SV GP ERA IP H R ER 2B 3B HR BB IBB HBP SO AVG OPS WHIP WG
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Advanced
BF P P/IP P/BF B% S% SW% SM% WHIF% WP BK K/BB BB% K% K/7 BB/7 OBP SLG
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Batted Ball
BF XBH GO/AO GB% AIR% HR/FB GIDP BABIP ISO PULL% OPPO%
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2022 Calendar Year

W L SV GP ERA IP H R ER 2B 3B HR BB IBB HBP SO AVG OPS WHIP WG
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Advanced
BF P P/IP P/BF B% S% SW% SM% WHIF% WP BK K/BB BB% K% K/7 BB/7 OBP SLG
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Batted Ball
BF XBH GO/AO GB% AIR% HR/FB GIDP BABIP ISO PULL% OPPO%
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LATEST PG SHOWCASE REPORT
2025 PG Arizona High School All-State Games (Invite Only)  
Kooper Klein is a 2027 3B/RHP/OF with a 5-9 145 lb. frame from Mesa, AZ who attends Mountain View. Klein showed some speed on the sixty yard dash as he ran a 6.69. Young athletic frame with plenty of room to get stronger. Primary corner infielders staying back on the ball with some lateral range. Fielding cleanly in the center of the body with soft hands , quick transfers and some accuracy from a lower slot across the diamond. On the mound working exclusively from the stretch into a drop and drive drift down the mound. He moves with pace on the mound creating momentum down the slope with some length throughout the back side on the arm stroke and quickness in the shoulder. The breaking ball has a 12-6 shape as he is able to put it in the zone. Right handed hitter in the box with a wide even foot stance with a higher set hand start. The trigger is simple with a whippy lower half creating easy bat speed through the zone driving the ball hard on a line to the pullside. Kooper was named to the High School All State Top Prospect Team.

PG CAREER PROGRESSION
+11 MPH
FB Velo since 09/24/2022
Best PG Grade: 8.5
PERCENTILE RANKINGS
CLASS OF2027 in the recorded year
CATEGORY TOP RESULT CLASS AVG PERCENTILE
FB 81 mph 73 mph
81.53%
60 6.69 sec 7.62 sec
97.47%
10 SPL 1.75 sec 1.76 sec
50.00%
L-Grip 106 lb 116.95 lb
29.02%
R-Grip 109.20 lb 119.09 lb
30.82%
IF 76 mph 74 mph
56.51%
CATEGORIES TOP RESULT CLASS AVG PERCENTILE
Exit Velo 86 mph 77 mph
79.87%
BEST SINGLE GAME STATS
BATTING STATSLAST OCCURRENCE
At bats: 5 Oct 20, 2023 vs. Marucci Athletics 2027 Orange
Runs: 3 Oct 17, 2025 vs. Exposure Expos AZ
Hits: 3 Oct 04, 2025 vs. Marucci Athletics 2026 Thomas
RBI's: 4 Jan 14, 2024 vs. NW Futures
Doubles: 1 Oct 04, 2025 vs. Marucci Athletics 2026 Thomas
Triples: 2 May 25, 2024 vs. Cba Titans
Home runs: 1 Oct 04, 2025 vs. Marucci Athletics 2026 Thomas
Total bases: 7 Oct 04, 2025 vs. Marucci Athletics 2026 Thomas
Walks: 3 Oct 05, 2025 vs. Elite National West 18u Black
SAC flies: 1 Nov 29, 2025 vs. Arizona Aces
Stolen bases: 4 Jan 15, 2024 vs. JGB Rockstars
Hit by pitch: 1 May 25, 2025 vs. Canes West National 2027
PITCHING STATSLAST OCCURRENCE
Inn. pitched: 7.0 Sep 10, 2023 vs. Slammers Feinman 2027's
Runs allowed: 0 Nov 28, 2025 vs. Swarm Red Elite American 2027
Earned runs: 0 Nov 28, 2025 vs. Swarm Red Elite American 2027
Hits allowed: 0 Nov 28, 2025 vs. Swarm Red Elite American 2027
Strikeouts: 4 Jan 17, 2025 vs. The Clubhouse
Walks allowed: 0 Nov 28, 2025 vs. Swarm Red Elite American 2027