PITCHER MATCHUP

Kumar Rocker vs Kansas City Royals

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

Kumar Rocker's arsenal

Throws RHPvs LHH xwOBA .370vs RHH xwOBA .318Seasons 2026–2025–2024
Sinker 30%Slider 29%Cutter 17%Four-Seam Fastball 16%Changeup 6%Curveball 3%

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

Lineup avg xwOBA .320
  1. 1 BW Bobby Witt Jr. RHB .355
    Pitch-by-pitch projection vs. Bobby Witt Jr.
    • Sinker (30% usage) projects to .381 xwOBA over 282 BIP — a meaningful edge for the batter.
    • Slider (29% usage) projects to .319 xwOBA over 291 BIP — a roughly even matchup.
    • Cutter (17% usage) projects to .366 xwOBA over 169 BIP — a meaningful edge for the batter.
    • Four-Seam Fastball (16% usage) projects to .363 xwOBA over 443 BIP — a meaningful edge for the batter.
    • Changeup (6% usage) projects to .339 xwOBA over 171 BIP — a roughly even matchup.
    • Curveball (3% usage) projects to .368 xwOBA over 83 BIP — a meaningful edge for the batter.
  2. 2 SP Salvador Perez RHB .334
    Pitch-by-pitch projection vs. Salvador Perez
    • Sinker (30% usage) projects to .369 xwOBA over 238 BIP — a meaningful edge for the batter.
    • Slider (29% usage) projects to .314 xwOBA over 251 BIP — a roughly even matchup.
    • Cutter (17% usage) projects to .316 xwOBA over 124 BIP — a roughly even matchup.
    • Four-Seam Fastball (16% usage) projects to .358 xwOBA over 405 BIP — a meaningful edge for the batter.
    • Changeup (6% usage) projects to .257 xwOBA over 146 BIP — a clear edge for the pitcher.
    • Curveball (3% usage) projects to .311 xwOBA over 101 BIP — a roughly even matchup.
  3. 3 MG Maikel Garcia RHB .315
    Pitch-by-pitch projection vs. Maikel Garcia
    • Sinker (30% usage) projects to .330 xwOBA over 328 BIP — a roughly even matchup.
    • Slider (29% usage) projects to .292 xwOBA over 247 BIP — a roughly even matchup.
    • Cutter (17% usage) projects to .304 xwOBA over 137 BIP — a roughly even matchup.
    • Four-Seam Fastball (16% usage) projects to .339 xwOBA over 457 BIP — a roughly even matchup.
    • Changeup (6% usage) projects to .306 xwOBA over 102 BIP — a roughly even matchup.
    • Curveball (3% usage) projects to .333 xwOBA over 74 BIP — a roughly even matchup.
  4. 4 JC Jac Caglianone LHB .333
    Pitch-by-pitch projection vs. Jac Caglianone
    • Sinker (30% usage) projects to .334 xwOBA over 64 BIP — a roughly even matchup.
    • Slider (29% usage) projects to .337 xwOBA over 68 BIP — a roughly even matchup.
    • Cutter (17% usage) projects to .328 xwOBA over 30 BIP — a roughly even matchup.
    • Four-Seam Fastball (16% usage) projects to .347 xwOBA over 126 BIP — a meaningful edge for the batter.
    • Changeup (6% usage) projects to .299 xwOBA over 52 BIP — a roughly even matchup.
    • Curveball (3% usage) projects to .296 xwOBA over 37 BIP — a roughly even matchup.
  5. 5 CJ Carter Jensen LHB .314
    Pitch-by-pitch projection vs. Carter Jensen
    • Sinker (30% usage) projects to .331 xwOBA over 38 BIP — a roughly even matchup.
    • Slider (29% usage) projects to .288 xwOBA over 55 BIP — a roughly even matchup.
    • Cutter (17% usage) projects to .323 xwOBA over 22 BIP — a roughly even matchup.
    • Four-Seam Fastball (16% usage) projects to .317 xwOBA over 89 BIP — a roughly even matchup.
    • Changeup (6% usage) projects to .318 xwOBA over 31 BIP — a roughly even matchup.
    • Curveball (3% usage) projects to .329 xwOBA over 19 BIP — a roughly even matchup.
  6. 6 IC Isaac Collins SH .313
    Pitch-by-pitch projection vs. Isaac Collins
    • Sinker (30% usage) projects to .312 xwOBA over 90 BIP — a roughly even matchup.
    • Slider (29% usage) projects to .316 xwOBA over 53 BIP — a roughly even matchup.
    • Cutter (17% usage) projects to .328 xwOBA over 38 BIP — a roughly even matchup.
    • Four-Seam Fastball (16% usage) projects to .322 xwOBA over 313 BIP — a roughly even matchup.
    • Changeup (6% usage) projects to .255 xwOBA over 79 BIP — a clear edge for the pitcher.
    • Curveball (3% usage) projects to .276 xwOBA over 37 BIP — a clear edge for the pitcher.
  7. 7 MM Michael Massey LHB .309
    Pitch-by-pitch projection vs. Michael Massey
    • Sinker (30% usage) projects to .336 xwOBA over 98 BIP — a roughly even matchup.
    • Slider (29% usage) projects to .291 xwOBA over 87 BIP — a roughly even matchup.
    • Cutter (17% usage) projects to .334 xwOBA over 54 BIP — a roughly even matchup.
    • Four-Seam Fastball (16% usage) projects to .273 xwOBA over 279 BIP — a clear edge for the pitcher.
    • Changeup (6% usage) projects to .283 xwOBA over 130 BIP — a roughly even matchup.
    • Curveball (3% usage) projects to .325 xwOBA over 36 BIP — a roughly even matchup.
  8. 8 LT Lane Thomas RHB .308
    Pitch-by-pitch projection vs. Lane Thomas
    • Sinker (30% usage) projects to .317 xwOBA over 173 BIP — a roughly even matchup.
    • Slider (29% usage) projects to .298 xwOBA over 128 BIP — a roughly even matchup.
    • Cutter (17% usage) projects to .327 xwOBA over 59 BIP — a roughly even matchup.
    • Four-Seam Fastball (16% usage) projects to .283 xwOBA over 252 BIP — a roughly even matchup.
    • Changeup (6% usage) projects to .309 xwOBA over 82 BIP — a roughly even matchup.
    • Curveball (3% usage) projects to .331 xwOBA over 42 BIP — a roughly even matchup.
  9. 9 NL Nick Loftin RHB .296
    Pitch-by-pitch projection vs. Nick Loftin
    • Sinker (30% usage) projects to .270 xwOBA over 86 BIP — a clear edge for the pitcher.
    • Slider (29% usage) projects to .308 xwOBA over 69 BIP — a roughly even matchup.
    • Cutter (17% usage) projects to .298 xwOBA over 41 BIP — a roughly even matchup.
    • Four-Seam Fastball (16% usage) projects to .325 xwOBA over 166 BIP — a roughly even matchup.
    • Changeup (6% usage) projects to .281 xwOBA over 37 BIP — a roughly even matchup.
    • Curveball (3% usage) projects to .318 xwOBA over 17 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.