Dylan Mamiya

Player Information

  • Hometown: Kennewick, WA

  • High School: Kennewick High School

  • Class: 2026

  • GPA: 4.0

  • Travel Team: New Level Stevenson (WA)

  • Positions: OF/RHP

  • Height: 5’9” | Weight: 180 lbs.

  • Bats: Left | Throws: Left

  • Committed: Uncommitted

Player Data

  • 60 Yard Dash: 6.78 (8/08/2024 - BBNW)

  • Fastball Velocity: 79.8 mph (2/05/2023 - PBR)

  • Exit Velocity: 91 (2/03/2024 - PBR)

  • Outfield Velocity: 84 (2/03/2024 - PBR)

Player Write Up

Dylan Mamiya | Class of 2026 | Kennewick High School | Kennewick, WA

Height/Weight: 5'9", 180 lbs.

Primary Position: OF | Secondary Position: RHP | Bats/Throws: L/L

Dylan Mamiya is a 5’9’’ 180 lb. 2026 out of Kennewick Washington attending Kennewick High School. Lefty Lefty outfielder with tons of athleticism. Plays the game hard and comes through in big moments. Versatile athlete with a high baseball IQ and has a long and loose arm with accurate throws to a bag at 83 mph. Reads the ball well off the bat and cuts balls off to the gap with speed while creating direction with his throw.

Left-handed hitter working from an open stance, high back elbow and hands fairly tight to the body. Shows good rhythm with his hands and showed feel for the barrel on a routine basis. Creates loft to pull side and had multiple extra base hits during NWSL. Good instincts on the bases with impact speed, 6.78 60.

  • 2024

Dylan is a great kid with a strong, muscular build. He hustles, competes, and shows leadership qualities that make him a dependable teammate.

In the outfield, Dylan covers ground well and shows good awareness. His arm is strong and accurate, making him a reliable defender who can shut down gaps.

At the plate, Dylan hits left-handed from a slightly open stance with a toe-tap trigger. His swing is explosive and uses the lower half well. He has good timing and rhythm, driving the ball with consistent power to all fields. He consistently finds barrels, making him a tough out. He has the ability to turn on pitches, highlighted by a “perfect perfect” home run to right-center.

On the bases, Dylan is fast and can steal bags. His high IQ allows him to create runs and pressure defenses with his speed.

  • Mark Klick (2025)

Player Achievements

  • National Ranking: Perfect Game: High Follow | Prep Baseball Report: NR

  • State Ranking: Perfect Game: #4 | Prep Baseball Report #5

  • All League: NA (OR)

  • All Conference: NA (OR)

  • USA Baseball: TBD

  • Prep Baseball Report: Junior Future Games, Future Games Selection

  • Area Codes: TBD

  • PG: All State Games Selection (14U)

  • Mid Columbia Conference Baseball First Team

  • PNW Future Games

  • USA Baseball NTIS NW

Additional Information

Player Videos

Dylan Mamiya ('26, WA) barrels a ball to oppo gap, Carter Hess ('25, OR) runs it down.


Dylan Mamiya ('26, Kennewick HS) keeps his hands in the zone and drives this breaking ball to right for a single.