PITCHER MATCHUP

Ian Seymour vs Seattle Mariners

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

Ian Seymour's arsenal

Throws LHPvs LHH xwOBA .281vs RHH xwOBA .308Seasons 2026–2025
Changeup 30%Four-Seam Fastball 28%Sweeper 17%Sinker 11%Cutter 8%Slider 4%Curveball 1%Unknown 1%

How the Seattle Mariners's regulars project

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

Lineup avg xwOBA .323
  1. 1 CY Cole Young LHB .306
    Pitch-by-pitch projection vs. Cole Young
    • Changeup (30% usage) projects to .302 xwOBA over 87 BIP — a roughly even matchup.
    • Four-Seam Fastball (28% usage) projects to .314 xwOBA over 257 BIP — a roughly even matchup.
    • Sweeper (17% usage) projects to .281 xwOBA over 43 BIP — a roughly even matchup.
    • Sinker (11% usage) projects to .335 xwOBA over 133 BIP — a roughly even matchup.
    • Cutter (8% usage) projects to .303 xwOBA over 63 BIP — a roughly even matchup.
    • Slider (4% usage) projects to .297 xwOBA over 91 BIP — a roughly even matchup.
  2. 2 JN Josh Naylor LHB .328
    Pitch-by-pitch projection vs. Josh Naylor
    • Changeup (30% usage) projects to .313 xwOBA over 239 BIP — a roughly even matchup.
    • Four-Seam Fastball (28% usage) projects to .357 xwOBA over 502 BIP — a meaningful edge for the batter.
    • Sweeper (17% usage) projects to .316 xwOBA over 111 BIP — a roughly even matchup.
    • Sinker (11% usage) projects to .324 xwOBA over 295 BIP — a roughly even matchup.
    • Cutter (8% usage) projects to .326 xwOBA over 132 BIP — a roughly even matchup.
    • Slider (4% usage) projects to .292 xwOBA over 233 BIP — a roughly even matchup.
  3. 3 JR Julio Rodríguez RHB .339
    Pitch-by-pitch projection vs. Julio Rodríguez
    • Changeup (30% usage) projects to .341 xwOBA over 188 BIP — a meaningful edge for the batter.
    • Four-Seam Fastball (28% usage) projects to .356 xwOBA over 461 BIP — a meaningful edge for the batter.
    • Sweeper (17% usage) projects to .304 xwOBA over 160 BIP — a roughly even matchup.
    • Sinker (11% usage) projects to .355 xwOBA over 394 BIP — a meaningful edge for the batter.
    • Cutter (8% usage) projects to .317 xwOBA over 127 BIP — a roughly even matchup.
    • Slider (4% usage) projects to .349 xwOBA over 298 BIP — a meaningful edge for the batter.
  4. 4 RA Randy Arozarena RHB .327
    Pitch-by-pitch projection vs. Randy Arozarena
    • Changeup (30% usage) projects to .280 xwOBA over 198 BIP — a roughly even matchup.
    • Four-Seam Fastball (28% usage) projects to .350 xwOBA over 551 BIP — a meaningful edge for the batter.
    • Sweeper (17% usage) projects to .362 xwOBA over 174 BIP — a meaningful edge for the batter.
    • Sinker (11% usage) projects to .335 xwOBA over 351 BIP — a roughly even matchup.
    • Cutter (8% usage) projects to .347 xwOBA over 128 BIP — a meaningful edge for the batter.
    • Slider (4% usage) projects to .305 xwOBA over 273 BIP — a roughly even matchup.
  5. 5 TW Taylor Ward RHB .320
    Pitch-by-pitch projection vs. Taylor Ward
    • Changeup (30% usage) projects to .283 xwOBA over 143 BIP — a roughly even matchup.
    • Four-Seam Fastball (28% usage) projects to .367 xwOBA over 545 BIP — a meaningful edge for the batter.
    • Sweeper (17% usage) projects to .301 xwOBA over 160 BIP — a roughly even matchup.
    • Sinker (11% usage) projects to .348 xwOBA over 378 BIP — a meaningful edge for the batter.
    • Cutter (8% usage) projects to .304 xwOBA over 147 BIP — a roughly even matchup.
    • Slider (4% usage) projects to .297 xwOBA over 301 BIP — a roughly even matchup.
  6. 6 DC Dominic Canzone LHB .333
    Pitch-by-pitch projection vs. Dominic Canzone
    • Changeup (30% usage) projects to .301 xwOBA over 132 BIP — a roughly even matchup.
    • Four-Seam Fastball (28% usage) projects to .379 xwOBA over 231 BIP — a meaningful edge for the batter.
    • Sweeper (17% usage) projects to .298 xwOBA over 44 BIP — a roughly even matchup.
    • Sinker (11% usage) projects to .333 xwOBA over 116 BIP — a roughly even matchup.
    • Cutter (8% usage) projects to .361 xwOBA over 58 BIP — a meaningful edge for the batter.
    • Slider (4% usage) projects to .341 xwOBA over 112 BIP — a meaningful edge for the batter.
  7. 7 CR Cal Raleigh SH .335
    Pitch-by-pitch projection vs. Cal Raleigh
    • Changeup (30% usage) projects to .330 xwOBA over 297 BIP — a roughly even matchup.
    • Four-Seam Fastball (28% usage) projects to .332 xwOBA over 606 BIP — a roughly even matchup.
    • Sweeper (17% usage) projects to .313 xwOBA over 67 BIP — a roughly even matchup.
    • Sinker (11% usage) projects to .407 xwOBA over 161 BIP — a meaningful edge for the batter.
    • Cutter (8% usage) projects to .311 xwOBA over 128 BIP — a roughly even matchup.
    • Slider (4% usage) projects to .335 xwOBA over 188 BIP — a roughly even matchup.
  8. 8 BD Brendan Donovan LHB .326
    Pitch-by-pitch projection vs. Brendan Donovan
    • Changeup (30% usage) projects to .332 xwOBA over 133 BIP — a roughly even matchup.
    • Four-Seam Fastball (28% usage) projects to .327 xwOBA over 440 BIP — a roughly even matchup.
    • Sweeper (17% usage) projects to .322 xwOBA over 83 BIP — a roughly even matchup.
    • Sinker (11% usage) projects to .313 xwOBA over 248 BIP — a roughly even matchup.
    • Cutter (8% usage) projects to .332 xwOBA over 106 BIP — a roughly even matchup.
    • Slider (4% usage) projects to .305 xwOBA over 150 BIP — a roughly even matchup.
  9. 9 VR Victor Robles RHB .291
    Pitch-by-pitch projection vs. Victor Robles
    • Changeup (30% usage) projects to .270 xwOBA over 62 BIP — a clear edge for the pitcher.
    • Four-Seam Fastball (28% usage) projects to .301 xwOBA over 158 BIP — a roughly even matchup.
    • Sweeper (17% usage) projects to .306 xwOBA over 58 BIP — a roughly even matchup.
    • Sinker (11% usage) projects to .299 xwOBA over 95 BIP — a roughly even matchup.
    • Cutter (8% usage) projects to .292 xwOBA over 41 BIP — a roughly even matchup.
    • Slider (4% usage) projects to .298 xwOBA over 90 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.