PITCHER MATCHUP

David Peterson vs Seattle Mariners

How the Seattle Mariners's current regulars (top 9 by at-bats) project against David Peterson's season-to-date arsenal — not the posted lineup for any single game.

David Peterson's arsenal

Throws LHPvs LHH xwOBA .280vs RHH xwOBA .357Seasons 2026–2025–2024
Sinker 30%Four-Seam Fastball 23%Slider 21%Changeup 14%Curveball 12%

How the Seattle Mariners's regulars project

Projected expected wOBA for each of the Seattle Mariners's top-9-by-AB hitters against David Peterson, by batting order. A season-to-date read — lower favors the pitcher.

Lineup avg xwOBA .321
  1. 1 CY Cole Young LHB .317
    Pitch-by-pitch projection vs. Cole Young
    • Sinker (30% usage) projects to .333 xwOBA over 128 BIP — a roughly even matchup.
    • Four-Seam Fastball (23% usage) projects to .313 xwOBA over 254 BIP — a roughly even matchup.
    • Slider (21% usage) projects to .308 xwOBA over 89 BIP — a roughly even matchup.
    • Changeup (14% usage) projects to .298 xwOBA over 85 BIP — a roughly even matchup.
    • Curveball (12% usage) projects to .325 xwOBA over 34 BIP — a roughly even matchup.
  2. 2 JN Josh Naylor LHB .311
    Pitch-by-pitch projection vs. Josh Naylor
    • Sinker (30% usage) projects to .319 xwOBA over 289 BIP — a roughly even matchup.
    • Four-Seam Fastball (23% usage) projects to .353 xwOBA over 500 BIP — a meaningful edge for the batter.
    • Slider (21% usage) projects to .263 xwOBA over 230 BIP — a clear edge for the pitcher.
    • Changeup (14% usage) projects to .304 xwOBA over 237 BIP — a roughly even matchup.
    • Curveball (12% usage) projects to .305 xwOBA over 86 BIP — a roughly even matchup.
  3. 3 JR Julio Rodríguez RHB .344
    Pitch-by-pitch projection vs. Julio Rodríguez
    • Sinker (30% usage) projects to .356 xwOBA over 389 BIP — a meaningful edge for the batter.
    • Four-Seam Fastball (23% usage) projects to .327 xwOBA over 457 BIP — a roughly even matchup.
    • Slider (21% usage) projects to .364 xwOBA over 295 BIP — a meaningful edge for the batter.
    • Changeup (14% usage) projects to .334 xwOBA over 185 BIP — a roughly even matchup.
    • Curveball (12% usage) projects to .320 xwOBA over 87 BIP — a roughly even matchup.
  4. 4 TW Taylor Ward RHB .318
    Pitch-by-pitch projection vs. Taylor Ward
    • Sinker (30% usage) projects to .335 xwOBA over 377 BIP — a roughly even matchup.
    • Four-Seam Fastball (23% usage) projects to .354 xwOBA over 539 BIP — a meaningful edge for the batter.
    • Slider (21% usage) projects to .286 xwOBA over 300 BIP — a roughly even matchup.
    • Changeup (14% usage) projects to .280 xwOBA over 142 BIP — a roughly even matchup.
    • Curveball (12% usage) projects to .304 xwOBA over 84 BIP — a roughly even matchup.
  5. 5 RA Randy Arozarena RHB .323
    Pitch-by-pitch projection vs. Randy Arozarena
    • Sinker (30% usage) projects to .337 xwOBA over 347 BIP — a roughly even matchup.
    • Four-Seam Fastball (23% usage) projects to .351 xwOBA over 544 BIP — a meaningful edge for the batter.
    • Slider (21% usage) projects to .297 xwOBA over 271 BIP — a roughly even matchup.
    • Changeup (14% usage) projects to .278 xwOBA over 194 BIP — a clear edge for the pitcher.
    • Curveball (12% usage) projects to .334 xwOBA over 85 BIP — a roughly even matchup.
  6. 6 DC Dominic Canzone LHB .351
    Pitch-by-pitch projection vs. Dominic Canzone
    • Sinker (30% usage) projects to .362 xwOBA over 112 BIP — a meaningful edge for the batter.
    • Four-Seam Fastball (23% usage) projects to .376 xwOBA over 227 BIP — a meaningful edge for the batter.
    • Slider (21% usage) projects to .344 xwOBA over 110 BIP — a meaningful edge for the batter.
    • Changeup (14% usage) projects to .301 xwOBA over 131 BIP — a roughly even matchup.
    • Curveball (12% usage) projects to .349 xwOBA over 54 BIP — a meaningful edge for the batter.
  7. 7 CR Cal Raleigh SH .330
    Pitch-by-pitch projection vs. Cal Raleigh
    • Sinker (30% usage) projects to .394 xwOBA over 160 BIP — a meaningful edge for the batter.
    • Four-Seam Fastball (23% usage) projects to .305 xwOBA over 602 BIP — a roughly even matchup.
    • Slider (21% usage) projects to .307 xwOBA over 187 BIP — a roughly even matchup.
    • Changeup (14% usage) projects to .311 xwOBA over 294 BIP — a roughly even matchup.
    • Curveball (12% usage) projects to .283 xwOBA over 113 BIP — a roughly even matchup.
  8. 8 BD Brendan Donovan LHB .308
    Pitch-by-pitch projection vs. Brendan Donovan
    • Sinker (30% usage) projects to .297 xwOBA over 242 BIP — a roughly even matchup.
    • Four-Seam Fastball (23% usage) projects to .321 xwOBA over 437 BIP — a roughly even matchup.
    • Slider (21% usage) projects to .277 xwOBA over 150 BIP — a clear edge for the pitcher.
    • Changeup (14% usage) projects to .322 xwOBA over 133 BIP — a roughly even matchup.
    • Curveball (12% usage) projects to .346 xwOBA over 90 BIP — a meaningful edge for the batter.
  9. 9 VR Victor Robles RHB .291
    Pitch-by-pitch projection vs. Victor Robles
    • Sinker (30% usage) projects to .297 xwOBA over 95 BIP — a roughly even matchup.
    • Four-Seam Fastball (23% usage) projects to .291 xwOBA over 158 BIP — a roughly even matchup.
    • Slider (21% usage) projects to .290 xwOBA over 90 BIP — a roughly even matchup.
    • Changeup (14% usage) projects to .268 xwOBA over 62 BIP — a clear edge for the pitcher.
    • Curveball (12% usage) projects to .308 xwOBA over 21 BIP — a roughly even matchup.
Full pitch-by-pitch breakdown, with pitch-zone heatmaps →

Next scheduled meeting: 2026-08-22 game page →