PITCHER MATCHUP

Ian Seymour vs Boston Red Sox

How the Boston Red Sox'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 .282vs RHH xwOBA .301Seasons 2026–2025
Changeup 29%Four-Seam Fastball 28%Sweeper 16%Sinker 14%Cutter 6%Slider 5%Curveball 1%Unknown 1%

How the Boston Red Sox's regulars project

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

Lineup avg xwOBA .316
  1. 1 WA Wilyer Abreu LHB .321
    Pitch-by-pitch projection vs. Wilyer Abreu
    • Changeup (29% usage) projects to .334 xwOBA over 210 BIP — a roughly even matchup.
    • Four-Seam Fastball (28% usage) projects to .282 xwOBA over 513 BIP — a roughly even matchup.
    • Sweeper (16% usage) projects to .329 xwOBA over 77 BIP — a roughly even matchup.
    • Sinker (14% usage) projects to .354 xwOBA over 203 BIP — a meaningful edge for the batter.
    • Cutter (6% usage) projects to .330 xwOBA over 113 BIP — a roughly even matchup.
    • Slider (5% usage) projects to .332 xwOBA over 180 BIP — a roughly even matchup.
  2. 2 JD Jarren Duran LHB .320
    Pitch-by-pitch projection vs. Jarren Duran
    • Changeup (29% usage) projects to .315 xwOBA over 230 BIP — a roughly even matchup.
    • Four-Seam Fastball (28% usage) projects to .317 xwOBA over 645 BIP — a roughly even matchup.
    • Sweeper (16% usage) projects to .301 xwOBA over 108 BIP — a roughly even matchup.
    • Sinker (14% usage) projects to .360 xwOBA over 239 BIP — a meaningful edge for the batter.
    • Cutter (6% usage) projects to .349 xwOBA over 186 BIP — a meaningful edge for the batter.
    • Slider (5% usage) projects to .274 xwOBA over 279 BIP — a clear edge for the pitcher.
  3. 3 CR Ceddanne Rafaela RHB .298
    Pitch-by-pitch projection vs. Ceddanne Rafaela
    • Changeup (29% usage) projects to .284 xwOBA over 181 BIP — a roughly even matchup.
    • Four-Seam Fastball (28% usage) projects to .283 xwOBA over 456 BIP — a roughly even matchup.
    • Sweeper (16% usage) projects to .333 xwOBA over 158 BIP — a roughly even matchup.
    • Sinker (14% usage) projects to .311 xwOBA over 299 BIP — a roughly even matchup.
    • Cutter (6% usage) projects to .285 xwOBA over 113 BIP — a roughly even matchup.
    • Slider (5% usage) projects to .328 xwOBA over 297 BIP — a roughly even matchup.
  4. 4 CD Caleb Durbin RHB .291
    Pitch-by-pitch projection vs. Caleb Durbin
    • Changeup (29% usage) projects to .260 xwOBA over 74 BIP — a clear edge for the pitcher.
    • Four-Seam Fastball (28% usage) projects to .315 xwOBA over 318 BIP — a roughly even matchup.
    • Sweeper (16% usage) projects to .290 xwOBA over 79 BIP — a roughly even matchup.
    • Sinker (14% usage) projects to .302 xwOBA over 270 BIP — a roughly even matchup.
    • Cutter (6% usage) projects to .301 xwOBA over 81 BIP — a roughly even matchup.
    • Slider (5% usage) projects to .301 xwOBA over 138 BIP — a roughly even matchup.
  5. 5 WC Willson Contreras RHB .347
    Pitch-by-pitch projection vs. Willson Contreras
    • Changeup (29% usage) projects to .345 xwOBA over 126 BIP — a meaningful edge for the batter.
    • Four-Seam Fastball (28% usage) projects to .357 xwOBA over 454 BIP — a meaningful edge for the batter.
    • Sweeper (16% usage) projects to .308 xwOBA over 126 BIP — a roughly even matchup.
    • Sinker (14% usage) projects to .379 xwOBA over 260 BIP — a meaningful edge for the batter.
    • Cutter (6% usage) projects to .309 xwOBA over 85 BIP — a roughly even matchup.
    • Slider (5% usage) projects to .387 xwOBA over 225 BIP — a meaningful edge for the batter.
  6. 6 AR Adley Rutschman SH .323
    Pitch-by-pitch projection vs. Adley Rutschman
    • Changeup (29% usage) projects to .311 xwOBA over 241 BIP — a roughly even matchup.
    • Four-Seam Fastball (28% usage) projects to .331 xwOBA over 464 BIP — a roughly even matchup.
    • Sweeper (16% usage) projects to .299 xwOBA over 76 BIP — a roughly even matchup.
    • Sinker (14% usage) projects to .350 xwOBA over 176 BIP — a meaningful edge for the batter.
    • Cutter (6% usage) projects to .341 xwOBA over 120 BIP — a meaningful edge for the batter.
    • Slider (5% usage) projects to .315 xwOBA over 151 BIP — a roughly even matchup.
  7. 7 AM Andruw Monasterio RHB .302
    Pitch-by-pitch projection vs. Andruw Monasterio
    • Changeup (29% usage) projects to .327 xwOBA over 50 BIP — a roughly even matchup.
    • Four-Seam Fastball (28% usage) projects to .300 xwOBA over 188 BIP — a roughly even matchup.
    • Sweeper (16% usage) projects to .264 xwOBA over 36 BIP — a clear edge for the pitcher.
    • Sinker (14% usage) projects to .315 xwOBA over 100 BIP — a roughly even matchup.
    • Cutter (6% usage) projects to .294 xwOBA over 49 BIP — a roughly even matchup.
    • Slider (5% usage) projects to .270 xwOBA over 118 BIP — a clear edge for the pitcher.
  8. 8 CM Curtis Mead RHB .314
    Pitch-by-pitch projection vs. Curtis Mead
    • Changeup (29% usage) projects to .306 xwOBA over 80 BIP — a roughly even matchup.
    • Four-Seam Fastball (28% usage) projects to .325 xwOBA over 195 BIP — a roughly even matchup.
    • Sweeper (16% usage) projects to .271 xwOBA over 61 BIP — a clear edge for the pitcher.
    • Sinker (14% usage) projects to .341 xwOBA over 131 BIP — a meaningful edge for the batter.
    • Cutter (6% usage) projects to .345 xwOBA over 58 BIP — a meaningful edge for the batter.
    • Slider (5% usage) projects to .319 xwOBA over 116 BIP — a roughly even matchup.
  9. 9 MY Masataka Yoshida LHB .325
    Pitch-by-pitch projection vs. Masataka Yoshida
    • Changeup (29% usage) projects to .336 xwOBA over 98 BIP — a roughly even matchup.
    • Four-Seam Fastball (28% usage) projects to .342 xwOBA over 312 BIP — a meaningful edge for the batter.
    • Sweeper (16% usage) projects to .300 xwOBA over 43 BIP — a roughly even matchup.
    • Sinker (14% usage) projects to .304 xwOBA over 144 BIP — a roughly even matchup.
    • Cutter (6% usage) projects to .313 xwOBA over 80 BIP — a roughly even matchup.
    • Slider (5% usage) projects to .317 xwOBA over 87 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.