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 .318
  1. 1 LB Lawrence Butler LHB .325
    Pitch-by-pitch projection vs. Lawrence Butler
    • Slider (32% usage) projects to .336 xwOBA over 178 BIP — a roughly even matchup.
    • Sinker (29% usage) projects to .314 xwOBA over 242 BIP — a roughly even matchup.
    • Cutter (17% usage) projects to .330 xwOBA over 129 BIP — a roughly even matchup.
    • Four-Seam Fastball (16% usage) projects to .330 xwOBA over 525 BIP — a roughly even matchup.
    • Changeup (5% usage) projects to .283 xwOBA over 247 BIP — a roughly even matchup.
  2. 2 SL Shea Langeliers RHB .333
    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 .366 xwOBA over 265 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 .342 xwOBA over 438 BIP — a meaningful edge for the batter.
    • Changeup (5% usage) projects to .308 xwOBA over 140 BIP — a roughly even matchup.
  3. 3 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 .296 xwOBA over 125 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 .329 xwOBA over 112 BIP — a roughly even matchup.
    • Changeup (5% usage) projects to .299 xwOBA over 36 BIP — a roughly even matchup.
  4. 4 TS Tyler Soderstrom LHB .332
    Pitch-by-pitch projection vs. Tyler Soderstrom
    • Slider (32% usage) projects to .310 xwOBA over 166 BIP — a roughly even matchup.
    • Sinker (29% usage) projects to .327 xwOBA over 235 BIP — a roughly even matchup.
    • Cutter (17% usage) projects to .359 xwOBA over 94 BIP — a meaningful edge for the batter.
    • Four-Seam Fastball (16% usage) projects to .363 xwOBA over 326 BIP — a meaningful edge for the batter.
    • Changeup (5% usage) projects to .299 xwOBA over 160 BIP — a roughly even matchup.
  5. 5 ZG Zack Gelof RHB .292
    Pitch-by-pitch projection vs. Zack Gelof
    • Slider (32% usage) projects to .273 xwOBA over 148 BIP — a clear edge for the pitcher.
    • Sinker (29% usage) projects to .302 xwOBA over 227 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 NK Nick Kurtz LHB .348
    Pitch-by-pitch projection vs. Nick Kurtz
    • Slider (32% usage) projects to .319 xwOBA over 123 BIP — a roughly even matchup.
    • Sinker (29% usage) projects to .351 xwOBA over 172 BIP — a meaningful edge for the batter.
    • Cutter (17% usage) projects to .344 xwOBA over 59 BIP — a meaningful edge for the batter.
    • Four-Seam Fastball (16% usage) projects to .413 xwOBA over 252 BIP — a meaningful edge for the batter.
    • Changeup (5% usage) projects to .325 xwOBA over 113 BIP — a roughly even matchup.
  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 81 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 JW Jacob Wilson RHB .313
    Pitch-by-pitch projection vs. Jacob Wilson
    • Slider (32% usage) projects to .317 xwOBA over 139 BIP — a roughly even matchup.
    • Sinker (29% usage) projects to .298 xwOBA over 280 BIP — a roughly even matchup.
    • Cutter (17% usage) projects to .324 xwOBA over 66 BIP — a roughly even matchup.
    • Four-Seam Fastball (16% usage) projects to .327 xwOBA over 225 BIP — a roughly even matchup.
    • Changeup (5% usage) projects to .302 xwOBA over 82 BIP — a roughly even matchup.
  9. 9 MM Max Muncy RHB .300
    Pitch-by-pitch projection vs. Max Muncy
    • Slider (32% usage) projects to .299 xwOBA over 84 BIP — a roughly even matchup.
    • Sinker (29% usage) projects to .283 xwOBA over 103 BIP — a roughly even matchup.
    • Cutter (17% usage) projects to .303 xwOBA over 25 BIP — a roughly even matchup.
    • Four-Seam Fastball (16% usage) projects to .334 xwOBA over 135 BIP — a roughly even matchup.
    • Changeup (5% usage) projects to .295 xwOBA over 54 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.