PITCHER MATCHUP

Spencer Arrighetti vs Kansas City Royals

How the Kansas City Royals's current regulars (top 9 by at-bats) project against Spencer Arrighetti's season-to-date arsenal — not the posted lineup for any single game.

Spencer Arrighetti's arsenal

Throws RHPvs LHH xwOBA .364vs RHH xwOBA .315Seasons 2026–2025–2024
Four-Seam Fastball 32%Curveball 29%Sweeper 13%Cutter 11%Changeup 8%Sinker 8%

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 Spencer Arrighetti, by batting order. A season-to-date read — lower favors the pitcher.

Lineup avg xwOBA .319
  1. 1 SP Salvador Perez RHB .326
    Pitch-by-pitch projection vs. Salvador Perez
    • Four-Seam Fastball (32% usage) projects to .368 xwOBA over 476 BIP — a meaningful edge for the batter.
    • Curveball (29% usage) projects to .299 xwOBA over 120 BIP — a roughly even matchup.
    • Sweeper (13% usage) projects to .296 xwOBA over 217 BIP — a roughly even matchup.
    • Cutter (11% usage) projects to .319 xwOBA over 150 BIP — a roughly even matchup.
    • Changeup (8% usage) projects to .270 xwOBA over 181 BIP — a clear edge for the pitcher.
    • Sinker (8% usage) projects to .373 xwOBA over 272 BIP — a meaningful edge for the batter.
  2. 2 BW Bobby Witt Jr. RHB .359
    Pitch-by-pitch projection vs. Bobby Witt Jr.
    • Four-Seam Fastball (32% usage) projects to .376 xwOBA over 503 BIP — a meaningful edge for the batter.
    • Curveball (29% usage) projects to .349 xwOBA over 102 BIP — a meaningful edge for the batter.
    • Sweeper (13% usage) projects to .305 xwOBA over 185 BIP — a roughly even matchup.
    • Cutter (11% usage) projects to .396 xwOBA over 191 BIP — a meaningful edge for the batter.
    • Changeup (8% usage) projects to .338 xwOBA over 200 BIP — a roughly even matchup.
    • Sinker (8% usage) projects to .384 xwOBA over 325 BIP — a meaningful edge for the batter.
  3. 3 CJ Carter Jensen LHB .320
    Pitch-by-pitch projection vs. Carter Jensen
    • Four-Seam Fastball (32% usage) projects to .311 xwOBA over 173 BIP — a roughly even matchup.
    • Curveball (29% usage) projects to .323 xwOBA over 36 BIP — a roughly even matchup.
    • Sweeper (13% usage) projects to .279 xwOBA over 55 BIP — a clear edge for the pitcher.
    • Cutter (11% usage) projects to .363 xwOBA over 42 BIP — a meaningful edge for the batter.
    • Changeup (8% usage) projects to .333 xwOBA over 64 BIP — a roughly even matchup.
    • Sinker (8% usage) projects to .338 xwOBA over 84 BIP — a roughly even matchup.
  4. 4 JC Jac Caglianone LHB .336
    Pitch-by-pitch projection vs. Jac Caglianone
    • Four-Seam Fastball (32% usage) projects to .360 xwOBA over 184 BIP — a meaningful edge for the batter.
    • Curveball (29% usage) projects to .317 xwOBA over 54 BIP — a roughly even matchup.
    • Sweeper (13% usage) projects to .323 xwOBA over 61 BIP — a roughly even matchup.
    • Cutter (11% usage) projects to .360 xwOBA over 51 BIP — a meaningful edge for the batter.
    • Changeup (8% usage) projects to .294 xwOBA over 96 BIP — a roughly even matchup.
    • Sinker (8% usage) projects to .345 xwOBA over 99 BIP — a meaningful edge for the batter.
  5. 5 IC Isaac Collins SH .309
    Pitch-by-pitch projection vs. Isaac Collins
    • Four-Seam Fastball (32% usage) projects to .330 xwOBA over 392 BIP — a roughly even matchup.
    • Curveball (29% usage) projects to .278 xwOBA over 51 BIP — a clear edge for the pitcher.
    • Sweeper (13% usage) projects to .334 xwOBA over 38 BIP — a roughly even matchup.
    • Cutter (11% usage) projects to .336 xwOBA over 56 BIP — a roughly even matchup.
    • Changeup (8% usage) projects to .251 xwOBA over 116 BIP — a clear edge for the pitcher.
    • Sinker (8% usage) projects to .322 xwOBA over 124 BIP — a roughly even matchup.
  6. 6 VP Vinnie Pasquantino LHB .322
    Pitch-by-pitch projection vs. Vinnie Pasquantino
    • Four-Seam Fastball (32% usage) projects to .330 xwOBA over 582 BIP — a roughly even matchup.
    • Curveball (29% usage) projects to .320 xwOBA over 97 BIP — a roughly even matchup.
    • Sweeper (13% usage) projects to .306 xwOBA over 92 BIP — a roughly even matchup.
    • Cutter (11% usage) projects to .321 xwOBA over 130 BIP — a roughly even matchup.
    • Changeup (8% usage) projects to .314 xwOBA over 214 BIP — a roughly even matchup.
    • Sinker (8% usage) projects to .334 xwOBA over 238 BIP — a roughly even matchup.
  7. 7 MM Michael Massey LHB .314
    Pitch-by-pitch projection vs. Michael Massey
    • Four-Seam Fastball (32% usage) projects to .290 xwOBA over 362 BIP — a roughly even matchup.
    • Curveball (29% usage) projects to .336 xwOBA over 43 BIP — a roughly even matchup.
    • Sweeper (13% usage) projects to .291 xwOBA over 60 BIP — a roughly even matchup.
    • Cutter (11% usage) projects to .377 xwOBA over 72 BIP — a meaningful edge for the batter.
    • Changeup (8% usage) projects to .282 xwOBA over 165 BIP — a roughly even matchup.
    • Sinker (8% usage) projects to .315 xwOBA over 128 BIP — a roughly even matchup.
  8. 8 NL Nick Loftin RHB .306
    Pitch-by-pitch projection vs. Nick Loftin
    • Four-Seam Fastball (32% usage) projects to .320 xwOBA over 236 BIP — a roughly even matchup.
    • Curveball (29% usage) projects to .323 xwOBA over 32 BIP — a roughly even matchup.
    • Sweeper (13% usage) projects to .274 xwOBA over 65 BIP — a clear edge for the pitcher.
    • Cutter (11% usage) projects to .311 xwOBA over 61 BIP — a roughly even matchup.
    • Changeup (8% usage) projects to .266 xwOBA over 63 BIP — a clear edge for the pitcher.
    • Sinker (8% usage) projects to .269 xwOBA over 134 BIP — a clear edge for the pitcher.
  9. 9 KI Kyle Isbel LHB .279
    Pitch-by-pitch projection vs. Kyle Isbel
    • Four-Seam Fastball (32% usage) projects to .294 xwOBA over 356 BIP — a roughly even matchup.
    • Curveball (29% usage) projects to .271 xwOBA over 81 BIP — a clear edge for the pitcher.
    • Sweeper (13% usage) projects to .255 xwOBA over 71 BIP — a clear edge for the pitcher.
    • Cutter (11% usage) projects to .288 xwOBA over 92 BIP — a roughly even matchup.
    • Changeup (8% usage) projects to .270 xwOBA over 142 BIP — a clear edge for the pitcher.
    • Sinker (8% usage) projects to .287 xwOBA over 155 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.