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 .351Seasons 2026–2025–2024
Sinker 30%Four-Seam Fastball 24%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 .324
  1. 1 JN Josh Naylor LHB .305
    Pitch-by-pitch projection vs. Josh Naylor
    • Sinker (30% usage) projects to .311 xwOBA over 321 BIP — a roughly even matchup.
    • Four-Seam Fastball (24% usage) projects to .347 xwOBA over 546 BIP — a meaningful edge for the batter.
    • Slider (21% usage) projects to .255 xwOBA over 248 BIP — a clear edge for the pitcher.
    • Changeup (14% usage) projects to .295 xwOBA over 248 BIP — a roughly even matchup.
    • Curveball (12% usage) projects to .302 xwOBA over 94 BIP — a roughly even matchup.
  2. 2 JR Julio Rodríguez RHB .338
    Pitch-by-pitch projection vs. Julio Rodríguez
    • Sinker (30% usage) projects to .352 xwOBA over 423 BIP — a meaningful edge for the batter.
    • Four-Seam Fastball (24% usage) projects to .324 xwOBA over 497 BIP — a roughly even matchup.
    • Slider (21% usage) projects to .353 xwOBA over 316 BIP — a meaningful edge for the batter.
    • Changeup (14% usage) projects to .330 xwOBA over 195 BIP — a roughly even matchup.
    • Curveball (12% usage) projects to .318 xwOBA over 98 BIP — a roughly even matchup.
  3. 3 CY Cole Young LHB .313
    Pitch-by-pitch projection vs. Cole Young
    • Sinker (30% usage) projects to .322 xwOBA over 146 BIP — a roughly even matchup.
    • Four-Seam Fastball (24% usage) projects to .322 xwOBA over 282 BIP — a roughly even matchup.
    • Slider (21% usage) projects to .303 xwOBA over 109 BIP — a roughly even matchup.
    • Changeup (14% usage) projects to .289 xwOBA over 103 BIP — a roughly even matchup.
    • Curveball (12% usage) projects to .322 xwOBA over 36 BIP — a roughly even matchup.
  4. 4 RA Randy Arozarena RHB .333
    Pitch-by-pitch projection vs. Randy Arozarena
    • Sinker (30% usage) projects to .355 xwOBA over 372 BIP — a meaningful edge for the batter.
    • Four-Seam Fastball (24% usage) projects to .353 xwOBA over 588 BIP — a meaningful edge for the batter.
    • Slider (21% usage) projects to .306 xwOBA over 298 BIP — a roughly even matchup.
    • Changeup (14% usage) projects to .285 xwOBA over 212 BIP — a roughly even matchup.
    • Curveball (12% usage) projects to .345 xwOBA over 98 BIP — a meaningful edge for the batter.
  5. 5 TW Taylor Ward RHB .317
    Pitch-by-pitch projection vs. Taylor Ward
    • Sinker (30% usage) projects to .332 xwOBA over 391 BIP — a roughly even matchup.
    • Four-Seam Fastball (24% usage) projects to .355 xwOBA over 559 BIP — a meaningful edge for the batter.
    • Slider (21% usage) projects to .285 xwOBA over 304 BIP — a roughly even matchup.
    • Changeup (14% usage) projects to .281 xwOBA over 150 BIP — a roughly even matchup.
    • Curveball (12% usage) projects to .301 xwOBA over 89 BIP — a roughly even matchup.
  6. 6 DC Dominic Canzone LHB .349
    Pitch-by-pitch projection vs. Dominic Canzone
    • Sinker (30% usage) projects to .361 xwOBA over 138 BIP — a meaningful edge for the batter.
    • Four-Seam Fastball (24% usage) projects to .381 xwOBA over 264 BIP — a meaningful edge for the batter.
    • Slider (21% usage) projects to .333 xwOBA over 144 BIP — a roughly even matchup.
    • Changeup (14% usage) projects to .307 xwOBA over 142 BIP — a roughly even matchup.
    • Curveball (12% usage) projects to .334 xwOBA over 63 BIP — a roughly even matchup.
  7. 7 CR Cal Raleigh SH .336
    Pitch-by-pitch projection vs. Cal Raleigh
    • Sinker (30% usage) projects to .402 xwOBA over 175 BIP — a meaningful edge for the batter.
    • Four-Seam Fastball (24% usage) projects to .319 xwOBA over 642 BIP — a roughly even matchup.
    • Slider (21% usage) projects to .299 xwOBA over 204 BIP — a roughly even matchup.
    • Changeup (14% usage) projects to .314 xwOBA over 314 BIP — a roughly even matchup.
    • Curveball (12% usage) projects to .298 xwOBA over 123 BIP — a roughly even matchup.
  8. 8 JC J.P. Crawford LHB .325
    Pitch-by-pitch projection vs. J.P. Crawford
    • Sinker (30% usage) projects to .314 xwOBA over 288 BIP — a roughly even matchup.
    • Four-Seam Fastball (24% usage) projects to .357 xwOBA over 545 BIP — a meaningful edge for the batter.
    • Slider (21% usage) projects to .313 xwOBA over 213 BIP — a roughly even matchup.
    • Changeup (14% usage) projects to .331 xwOBA over 125 BIP — a roughly even matchup.
    • Curveball (12% usage) projects to .305 xwOBA over 55 BIP — a roughly even matchup.
  9. 9 WW Weston Wilson RHB .300
    Pitch-by-pitch projection vs. Weston Wilson
    • Sinker (30% usage) projects to .315 xwOBA over 58 BIP — a roughly even matchup.
    • Four-Seam Fastball (24% usage) projects to .303 xwOBA over 129 BIP — a roughly even matchup.
    • Slider (21% usage) projects to .286 xwOBA over 54 BIP — a roughly even matchup.
    • Changeup (14% usage) projects to .276 xwOBA over 55 BIP — a clear edge for the pitcher.
    • Curveball (12% usage) projects to .308 xwOBA over 26 BIP — a roughly even matchup.
Full pitch-by-pitch breakdown, with pitch-zone heatmaps →

No meeting currently scheduled — this is a durable season matchup read.