PITCHER MATCHUP

Ian Seymour vs Kansas City Royals

How the Kansas City Royals'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 .285vs RHH xwOBA .298Seasons 2026–2025
Changeup 31%Four-Seam Fastball 28%Sweeper 17%Sinker 11%Cutter 9%Slider 3%Curveball 1%Unknown 1%

How the Kansas City Royals's regulars project

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

Lineup avg xwOBA .315
  1. 1 SP Salvador Perez RHB .321
    Pitch-by-pitch projection vs. Salvador Perez
    • Changeup (31% usage) projects to .284 xwOBA over 171 BIP — a roughly even matchup.
    • Four-Seam Fastball (28% usage) projects to .343 xwOBA over 442 BIP — a meaningful edge for the batter.
    • Sweeper (17% usage) projects to .306 xwOBA over 205 BIP — a roughly even matchup.
    • Sinker (11% usage) projects to .398 xwOBA over 256 BIP — a meaningful edge for the batter.
    • Cutter (9% usage) projects to .321 xwOBA over 133 BIP — a roughly even matchup.
    • Slider (3% usage) projects to .302 xwOBA over 274 BIP — a roughly even matchup.
  2. 2 JC Jac Caglianone LHB .337
    Pitch-by-pitch projection vs. Jac Caglianone
    • Changeup (31% usage) projects to .334 xwOBA over 84 BIP — a roughly even matchup.
    • Four-Seam Fastball (28% usage) projects to .359 xwOBA over 161 BIP — a meaningful edge for the batter.
    • Sweeper (17% usage) projects to .311 xwOBA over 57 BIP — a roughly even matchup.
    • Sinker (11% usage) projects to .301 xwOBA over 87 BIP — a roughly even matchup.
    • Cutter (9% usage) projects to .354 xwOBA over 40 BIP — a meaningful edge for the batter.
    • Slider (3% usage) projects to .391 xwOBA over 81 BIP — a meaningful edge for the batter.
  3. 3 BW Bobby Witt Jr. RHB .360
    Pitch-by-pitch projection vs. Bobby Witt Jr.
    • Changeup (31% usage) projects to .342 xwOBA over 186 BIP — a meaningful edge for the batter.
    • Four-Seam Fastball (28% usage) projects to .359 xwOBA over 463 BIP — a meaningful edge for the batter.
    • Sweeper (17% usage) projects to .368 xwOBA over 171 BIP — a meaningful edge for the batter.
    • Sinker (11% usage) projects to .374 xwOBA over 302 BIP — a meaningful edge for the batter.
    • Cutter (9% usage) projects to .399 xwOBA over 175 BIP — a meaningful edge for the batter.
    • Slider (3% usage) projects to .343 xwOBA over 306 BIP — a meaningful edge for the batter.
  4. 4 CJ Carter Jensen LHB .314
    Pitch-by-pitch projection vs. Carter Jensen
    • Changeup (31% usage) projects to .326 xwOBA over 47 BIP — a roughly even matchup.
    • Four-Seam Fastball (28% usage) projects to .312 xwOBA over 134 BIP — a roughly even matchup.
    • Sweeper (17% usage) projects to .279 xwOBA over 48 BIP — a clear edge for the pitcher.
    • Sinker (11% usage) projects to .323 xwOBA over 63 BIP — a roughly even matchup.
    • Cutter (9% usage) projects to .334 xwOBA over 30 BIP — a roughly even matchup.
    • Slider (3% usage) projects to .301 xwOBA over 81 BIP — a roughly even matchup.
  5. 5 IC Isaac Collins SH .309
    Pitch-by-pitch projection vs. Isaac Collins
    • Changeup (31% usage) projects to .282 xwOBA over 94 BIP — a roughly even matchup.
    • Four-Seam Fastball (28% usage) projects to .315 xwOBA over 359 BIP — a roughly even matchup.
    • Sweeper (17% usage) projects to .331 xwOBA over 35 BIP — a roughly even matchup.
    • Sinker (11% usage) projects to .307 xwOBA over 115 BIP — a roughly even matchup.
    • Cutter (9% usage) projects to .342 xwOBA over 47 BIP — a meaningful edge for the batter.
    • Slider (3% usage) projects to .323 xwOBA over 62 BIP — a roughly even matchup.
  6. 6 MM Michael Massey LHB .298
    Pitch-by-pitch projection vs. Michael Massey
    • Changeup (31% usage) projects to .302 xwOBA over 152 BIP — a roughly even matchup.
    • Four-Seam Fastball (28% usage) projects to .275 xwOBA over 328 BIP — a clear edge for the pitcher.
    • Sweeper (17% usage) projects to .285 xwOBA over 58 BIP — a roughly even matchup.
    • Sinker (11% usage) projects to .319 xwOBA over 115 BIP — a roughly even matchup.
    • Cutter (9% usage) projects to .350 xwOBA over 61 BIP — a meaningful edge for the batter.
    • Slider (3% usage) projects to .314 xwOBA over 96 BIP — a roughly even matchup.
  7. 7 NL Nick Loftin RHB .294
    Pitch-by-pitch projection vs. Nick Loftin
    • Changeup (31% usage) projects to .291 xwOBA over 52 BIP — a roughly even matchup.
    • Four-Seam Fastball (28% usage) projects to .308 xwOBA over 201 BIP — a roughly even matchup.
    • Sweeper (17% usage) projects to .265 xwOBA over 50 BIP — a clear edge for the pitcher.
    • Sinker (11% usage) projects to .279 xwOBA over 112 BIP — a clear edge for the pitcher.
    • Cutter (9% usage) projects to .318 xwOBA over 53 BIP — a roughly even matchup.
    • Slider (3% usage) projects to .324 xwOBA over 87 BIP — a roughly even matchup.
  8. 8 KI Kyle Isbel LHB .276
    Pitch-by-pitch projection vs. Kyle Isbel
    • Changeup (31% usage) projects to .264 xwOBA over 128 BIP — a clear edge for the pitcher.
    • Four-Seam Fastball (28% usage) projects to .282 xwOBA over 323 BIP — a roughly even matchup.
    • Sweeper (17% usage) projects to .257 xwOBA over 65 BIP — a clear edge for the pitcher.
    • Sinker (11% usage) projects to .310 xwOBA over 138 BIP — a roughly even matchup.
    • Cutter (9% usage) projects to .291 xwOBA over 83 BIP — a roughly even matchup.
    • Slider (3% usage) projects to .292 xwOBA over 100 BIP — a roughly even matchup.
  9. 9 SM Starling Marte RHB .322
    Pitch-by-pitch projection vs. Starling Marte
    • Changeup (31% usage) projects to .321 xwOBA over 82 BIP — a roughly even matchup.
    • Four-Seam Fastball (28% usage) projects to .325 xwOBA over 228 BIP — a roughly even matchup.
    • Sweeper (17% usage) projects to .318 xwOBA over 61 BIP — a roughly even matchup.
    • Sinker (11% usage) projects to .310 xwOBA over 146 BIP — a roughly even matchup.
    • Cutter (9% usage) projects to .347 xwOBA over 58 BIP — a meaningful edge for the batter.
    • Slider (3% usage) projects to .301 xwOBA over 148 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.