PITCHER MATCHUP

Kumar Rocker vs Athletics

How the Athletics'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 .365vs RHH xwOBA .307Seasons 2026–2025–2024
Slider 32%Sinker 29%Cutter 17%Four-Seam Fastball 16%Changeup 5%Curveball 2%

How the Athletics's regulars project

Projected expected wOBA for each of the Athletics's top-9-by-AB hitters against Kumar Rocker, by batting order. A season-to-date read — lower favors the pitcher.

Lineup avg xwOBA .309
  1. 1 JM Jeff McNeil LHB .305
    Pitch-by-pitch projection vs. Jeff McNeil
    • Slider (32% usage) projects to .273 xwOBA over 195 BIP — a clear edge for the pitcher.
    • Sinker (29% usage) projects to .327 xwOBA over 269 BIP — a roughly even matchup.
    • Cutter (17% usage) projects to .322 xwOBA over 103 BIP — a roughly even matchup.
    • Four-Seam Fastball (16% usage) projects to .315 xwOBA over 497 BIP — a roughly even matchup.
    • Changeup (5% usage) projects to .296 xwOBA over 132 BIP — a roughly even matchup.
  2. 2 LB Lawrence Butler LHB .325
    Pitch-by-pitch projection vs. Lawrence Butler
    • Slider (32% usage) projects to .334 xwOBA over 177 BIP — a roughly even matchup.
    • Sinker (29% usage) projects to .314 xwOBA over 242 BIP — a roughly even matchup.
    • Cutter (17% usage) projects to .331 xwOBA over 128 BIP — a roughly even matchup.
    • Four-Seam Fastball (16% usage) projects to .331 xwOBA over 524 BIP — a roughly even matchup.
    • Changeup (5% usage) projects to .282 xwOBA over 246 BIP — a roughly even matchup.
  3. 3 SL Shea Langeliers RHB .334
    Pitch-by-pitch projection vs. Shea Langeliers
    • Slider (32% usage) projects to .313 xwOBA over 263 BIP — a roughly even matchup.
    • Sinker (29% usage) projects to .370 xwOBA over 264 BIP — a meaningful edge for the batter.
    • Cutter (17% usage) projects to .312 xwOBA over 105 BIP — a roughly even matchup.
    • Four-Seam Fastball (16% usage) projects to .343 xwOBA over 437 BIP — a meaningful edge for the batter.
    • Changeup (5% usage) projects to .308 xwOBA over 140 BIP — a roughly even matchup.
  4. 4 HB Henry Bolte RHB .315
    Pitch-by-pitch projection vs. Henry Bolte
    • Slider (32% usage) projects to .318 xwOBA over 56 BIP — a roughly even matchup.
    • Sinker (29% usage) projects to .295 xwOBA over 124 BIP — a roughly even matchup.
    • Cutter (17% usage) projects to .332 xwOBA over 26 BIP — a roughly even matchup.
    • Four-Seam Fastball (16% usage) projects to .333 xwOBA over 110 BIP — a roughly even matchup.
    • Changeup (5% usage) projects to .299 xwOBA over 36 BIP — a roughly even matchup.
  5. 5 ZG Zack Gelof RHB .293
    Pitch-by-pitch projection vs. Zack Gelof
    • Slider (32% usage) projects to .274 xwOBA over 147 BIP — a clear edge for the pitcher.
    • Sinker (29% usage) projects to .303 xwOBA over 226 BIP — a roughly even matchup.
    • Cutter (17% usage) projects to .317 xwOBA over 55 BIP — a roughly even matchup.
    • Four-Seam Fastball (16% usage) projects to .295 xwOBA over 300 BIP — a roughly even matchup.
    • Changeup (5% usage) projects to .266 xwOBA over 98 BIP — a clear edge for the pitcher.
  6. 6 JH Jonah Heim SH .295
    Pitch-by-pitch projection vs. Jonah Heim
    • Slider (32% usage) projects to .258 xwOBA over 135 BIP — a clear edge for the pitcher.
    • Sinker (29% usage) projects to .325 xwOBA over 148 BIP — a roughly even matchup.
    • Cutter (17% usage) projects to .319 xwOBA over 86 BIP — a roughly even matchup.
    • Four-Seam Fastball (16% usage) projects to .297 xwOBA over 491 BIP — a roughly even matchup.
    • Changeup (5% usage) projects to .273 xwOBA over 200 BIP — a clear edge for the pitcher.
  7. 7 CC Carlos Cortes LHB .308
    Pitch-by-pitch projection vs. Carlos Cortes
    • Slider (32% usage) projects to .308 xwOBA over 59 BIP — a roughly even matchup.
    • Sinker (29% usage) projects to .292 xwOBA over 80 BIP — a roughly even matchup.
    • Cutter (17% usage) projects to .318 xwOBA over 29 BIP — a roughly even matchup.
    • Four-Seam Fastball (16% usage) projects to .336 xwOBA over 120 BIP — a roughly even matchup.
    • Changeup (5% usage) projects to .284 xwOBA over 65 BIP — a roughly even matchup.
  8. 8 DW Donovan Walton LHB .309
    Pitch-by-pitch projection vs. Donovan Walton
    • Slider (32% usage) projects to .269 xwOBA over 33 BIP — a clear edge for the pitcher.
    • Sinker (29% usage) projects to .334 xwOBA over 58 BIP — a roughly even matchup.
    • Cutter (17% usage) projects to .327 xwOBA over 25 BIP — a roughly even matchup.
    • Four-Seam Fastball (16% usage) projects to .331 xwOBA over 71 BIP — a roughly even matchup.
    • Changeup (5% usage) projects to .289 xwOBA over 30 BIP — a roughly even matchup.
  9. 9 AW Alika Williams RHB .295
    Pitch-by-pitch projection vs. Alika Williams
    • Slider (32% usage) projects to .271 xwOBA over 43 BIP — a clear edge for the pitcher.
    • Sinker (29% usage) projects to .303 xwOBA over 76 BIP — a roughly even matchup.
    • Cutter (17% usage) projects to .317 xwOBA over 17 BIP — a roughly even matchup.
    • Four-Seam Fastball (16% usage) projects to .303 xwOBA over 84 BIP — a roughly even matchup.
    • Changeup (5% usage) projects to .290 xwOBA over 32 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.