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Dylan Mamiya
2026 GRAD
 |  OF/1B, LHP
 |  Kennewick, WA
UNCOMMITTED
Best PG Grade
8
ABOUT PG GRADES
Kennewick
HIGH SCHOOL
5-9
  180
HEIGHT/WEIGHT
L/L
BATS/THROWS
18 and 3 mos
AGE
PG EVENT RESULTS
83 mph
FB VELO
6/4/2025
7.34 sec
60 YARD DASH
7/29/2022
1.64 sec
10 YARD SPLIT
4/17/2021
76 mph
OF VELO
7/29/2022
82 mph
EXIT VELO
7/30/2022

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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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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2021 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
Advanced Statistics
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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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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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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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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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2021 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
2022 14U National Showcase  
Dylan Mamiya is a 2026 OF/LHP/1B with a 5-8 150 lb. frame from Kennewick, WA who attends Kennewick High School. Recorded a 7.34 60-yard dash. Primary outifelder with a medium build. Worked to the ball aggressively in the outfield. Took good angles with quickness to his feet. Showed a confident glove before throwing from a quick and clean release. Up to 76 mph on throws from the outfield. Left-handed hitter and starts from a wide base with a high back elbow and hands. Used an all fields approach and showed best contact to the middle of the field. Secondary left-handed pitcher and pitched exclusivley from the stretch with a leg lift to waist level. Created good angle on the fastball and worked up to 79 mph. Pounded the zone and landed his curveball with 11-5 shape.

PG CAREER PROGRESSION
+10 MPH
FB Velo since 04/17/2021
-0.18 SEC
60 Time since 04/17/2021
+9 MPH
OF Velo since 04/17/2021
+9 MPH
Exit Velo since 04/17/2021
+10.04 MPH
Max Barrel Speed since 04/17/2021
+2.85
Impact Momentum since 04/17/2021
+5.90 Gs
Max Acceleration since 04/17/2021
+26 %
Swing Efficiency since 04/17/2021
Best PG Grade: 8
PERCENTILE RANKINGS
CLASS OF2026 in the recorded year
CATEGORY TOP RESULT CLASS AVG PERCENTILE
FB 83 mph 76 mph
81.93%
60 7.34 sec 7.50 sec
55.92%
10 SPL 1.64 sec 1.74 sec
75.70%
OF 76 mph 78 mph
34.57%
CATEGORIES TOP RESULT CLASS AVG PERCENTILE
Exit Velo 82 mph 79 mph
59.26%
2022 14U National Showcase
Left Handed Hitting
Swing Efficiency™
70%
Exit Velo
82mph
Swing Sequence
The order in which each body segment reaches its peak speed
#1 Pelvis
#2 Arm
#3 Torso
#4 Hand
2021 13U Southwest Showcase
Left Handed Hitting
Swing Efficiency™
44%
Exit Velo
75mph
Swing Sequence
The order in which each body segment reaches its peak speed
#1 Pelvis
#2 Arm
#3 Torso
#4 Hand

CATEGORY TOP RESULT CLASS AVG PERCENTILE
Max Barrel Speed 62.763 mph 62.12 mph
54.57%
Impact Momentum 22.752 23.02
46.50%
Max Acceleration 31.337 g's 31.63 g's
56.16%
BEST SINGLE GAME STATS
BATTING STATSLAST OCCURRENCE
At bats: 4 Jan 18, 2025 vs. The Clubhouse
Runs: 3 Jun 06, 2025 vs. Bulldogs Miller
Hits: 2 Jun 08, 2025 vs. Bulldogs Ingersoll
RBI's: 4 Jan 22, 2022 vs. Az Generals
Doubles: 1 Jun 08, 2025 vs. Velotech
Triples: 1 Jun 08, 2025 vs. Bulldogs Ingersoll
Home runs: 1 Jun 09, 2024 vs. City Baseball Green
Total bases: 4 Jun 08, 2025 vs. Bulldogs Ingersoll
Walks: 3 Nov 20, 2021 vs. Louisiana/ Mississippi
SAC flies: 1 Jun 08, 2024 vs. Bulldogs Miller
Stolen bases: 3 Jun 09, 2024 vs. New Level Baseball 15u Raven/Landry
Hit by pitch: 2 Jun 07, 2025 vs. Dragons Elite
PITCHING STATSLAST OCCURRENCE
Inn. pitched: 6.0 Jun 08, 2025 vs. Bulldogs Ingersoll
Runs allowed: 0 Jun 08, 2025 vs. Velotech
Earned runs: 0 Jun 08, 2025 vs. Velotech
Hits allowed: 0 Jun 08, 2025 vs. Velotech
Strikeouts: 6 Jun 08, 2025 vs. Bulldogs Ingersoll
Walks allowed: 0 Jun 08, 2025 vs. Velotech