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 .278vs RHH xwOBA .305Seasons 2026–2025
Changeup 30%Four-Seam Fastball 28%Sweeper 16%Sinker 12%Cutter 8%Slider 4%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 .312
  1. 1 CR Ceddanne Rafaela RHB .297
    Pitch-by-pitch projection vs. Ceddanne Rafaela
    • Changeup (30% usage) projects to .278 xwOBA over 180 BIP — a clear edge for the pitcher.
    • Four-Seam Fastball (28% usage) projects to .286 xwOBA over 449 BIP — a roughly even matchup.
    • Sweeper (16% usage) projects to .335 xwOBA over 154 BIP — a roughly even matchup.
    • Sinker (12% usage) projects to .313 xwOBA over 293 BIP — a roughly even matchup.
    • Cutter (8% usage) projects to .283 xwOBA over 110 BIP — a roughly even matchup.
    • Slider (4% usage) projects to .333 xwOBA over 295 BIP — a roughly even matchup.
  2. 2 WA Wilyer Abreu LHB .321
    Pitch-by-pitch projection vs. Wilyer Abreu
    • Changeup (30% usage) projects to .337 xwOBA over 198 BIP — a roughly even matchup.
    • Four-Seam Fastball (28% usage) projects to .286 xwOBA over 473 BIP — a roughly even matchup.
    • Sweeper (16% usage) projects to .323 xwOBA over 69 BIP — a roughly even matchup.
    • Sinker (12% usage) projects to .358 xwOBA over 188 BIP — a meaningful edge for the batter.
    • Cutter (8% usage) projects to .327 xwOBA over 105 BIP — a roughly even matchup.
    • Slider (4% usage) projects to .331 xwOBA over 171 BIP — a roughly even matchup.
  3. 3 JD Jarren Duran LHB .322
    Pitch-by-pitch projection vs. Jarren Duran
    • Changeup (30% usage) projects to .318 xwOBA over 216 BIP — a roughly even matchup.
    • Four-Seam Fastball (28% usage) projects to .319 xwOBA over 619 BIP — a roughly even matchup.
    • Sweeper (16% usage) projects to .302 xwOBA over 101 BIP — a roughly even matchup.
    • Sinker (12% usage) projects to .372 xwOBA over 230 BIP — a meaningful edge for the batter.
    • Cutter (8% usage) projects to .340 xwOBA over 180 BIP — a meaningful edge for the batter.
    • Slider (4% usage) projects to .275 xwOBA over 274 BIP — a clear edge for the pitcher.
  4. 4 CD Caleb Durbin RHB .294
    Pitch-by-pitch projection vs. Caleb Durbin
    • Changeup (30% usage) projects to .266 xwOBA over 63 BIP — a clear edge for the pitcher.
    • Four-Seam Fastball (28% usage) projects to .317 xwOBA over 292 BIP — a roughly even matchup.
    • Sweeper (16% usage) projects to .296 xwOBA over 69 BIP — a roughly even matchup.
    • Sinker (12% usage) projects to .302 xwOBA over 239 BIP — a roughly even matchup.
    • Cutter (8% usage) projects to .301 xwOBA over 77 BIP — a roughly even matchup.
    • Slider (4% usage) projects to .302 xwOBA over 132 BIP — a roughly even matchup.
  5. 5 WC Willson Contreras RHB .345
    Pitch-by-pitch projection vs. Willson Contreras
    • Changeup (30% usage) projects to .346 xwOBA over 125 BIP — a meaningful edge for the batter.
    • Four-Seam Fastball (28% usage) projects to .352 xwOBA over 445 BIP — a meaningful edge for the batter.
    • Sweeper (16% usage) projects to .311 xwOBA over 123 BIP — a roughly even matchup.
    • Sinker (12% usage) projects to .384 xwOBA over 257 BIP — a meaningful edge for the batter.
    • Cutter (8% usage) projects to .306 xwOBA over 83 BIP — a roughly even matchup.
    • Slider (4% usage) projects to .387 xwOBA over 222 BIP — a meaningful edge for the batter.
  6. 6 AR Adley Rutschman SH .323
    Pitch-by-pitch projection vs. Adley Rutschman
    • Changeup (30% usage) projects to .315 xwOBA over 226 BIP — a roughly even matchup.
    • Four-Seam Fastball (28% usage) projects to .328 xwOBA over 441 BIP — a roughly even matchup.
    • Sweeper (16% usage) projects to .305 xwOBA over 72 BIP — a roughly even matchup.
    • Sinker (12% usage) projects to .346 xwOBA over 160 BIP — a meaningful edge for the batter.
    • Cutter (8% usage) projects to .345 xwOBA over 117 BIP — a meaningful edge for the batter.
    • Slider (4% usage) projects to .308 xwOBA over 147 BIP — a roughly even matchup.
  7. 7 AM Andruw Monasterio RHB .308
    Pitch-by-pitch projection vs. Andruw Monasterio
    • Changeup (30% usage) projects to .333 xwOBA over 47 BIP — a roughly even matchup.
    • Four-Seam Fastball (28% usage) projects to .304 xwOBA over 179 BIP — a roughly even matchup.
    • Sweeper (16% usage) projects to .273 xwOBA over 32 BIP — a clear edge for the pitcher.
    • Sinker (12% usage) projects to .326 xwOBA over 95 BIP — a roughly even matchup.
    • Cutter (8% usage) projects to .290 xwOBA over 43 BIP — a roughly even matchup.
    • Slider (4% usage) projects to .274 xwOBA over 115 BIP — a clear edge for the pitcher.
  8. 8 CW Connor Wong RHB .292
    Pitch-by-pitch projection vs. Connor Wong
    • Changeup (30% usage) projects to .263 xwOBA over 76 BIP — a clear edge for the pitcher.
    • Four-Seam Fastball (28% usage) projects to .297 xwOBA over 247 BIP — a roughly even matchup.
    • Sweeper (16% usage) projects to .310 xwOBA over 75 BIP — a roughly even matchup.
    • Sinker (12% usage) projects to .302 xwOBA over 169 BIP — a roughly even matchup.
    • Cutter (8% usage) projects to .324 xwOBA over 61 BIP — a roughly even matchup.
    • Slider (4% usage) projects to .307 xwOBA over 149 BIP — a roughly even matchup.
  9. 9 TS Trevor Story RHB .308
    Pitch-by-pitch projection vs. Trevor Story
    • Changeup (30% usage) projects to .305 xwOBA over 76 BIP — a roughly even matchup.
    • Four-Seam Fastball (28% usage) projects to .287 xwOBA over 288 BIP — a roughly even matchup.
    • Sweeper (16% usage) projects to .316 xwOBA over 94 BIP — a roughly even matchup.
    • Sinker (12% usage) projects to .351 xwOBA over 138 BIP — a meaningful edge for the batter.
    • Cutter (8% usage) projects to .310 xwOBA over 54 BIP — a roughly even matchup.
    • Slider (4% usage) projects to .315 xwOBA over 160 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.