PITCHER MATCHUP

Kumar Rocker vs Washington Nationals

How the Washington Nationals'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 Washington Nationals's regulars project

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

Lineup avg xwOBA .310
  1. 1 DL Daylen Lile LHB .317
    Pitch-by-pitch projection vs. Daylen Lile
    • Slider (32% usage) projects to .287 xwOBA over 139 BIP — a roughly even matchup.
    • Sinker (29% usage) projects to .324 xwOBA over 126 BIP — a roughly even matchup.
    • Cutter (17% usage) projects to .346 xwOBA over 72 BIP — a meaningful edge for the batter.
    • Four-Seam Fastball (16% usage) projects to .337 xwOBA over 276 BIP — a roughly even matchup.
    • Changeup (5% usage) projects to .310 xwOBA over 149 BIP — a roughly even matchup.
  2. 2 CA CJ Abrams LHB .322
    Pitch-by-pitch projection vs. CJ Abrams
    • Slider (32% usage) projects to .286 xwOBA over 262 BIP — a roughly even matchup.
    • Sinker (29% usage) projects to .335 xwOBA over 282 BIP — a roughly even matchup.
    • Cutter (17% usage) projects to .343 xwOBA over 134 BIP — a meaningful edge for the batter.
    • Four-Seam Fastball (16% usage) projects to .336 xwOBA over 508 BIP — a roughly even matchup.
    • Changeup (5% usage) projects to .356 xwOBA over 212 BIP — a meaningful edge for the batter.
  3. 3 JW James Wood LHB .362
    Pitch-by-pitch projection vs. James Wood
    • Slider (32% usage) projects to .316 xwOBA over 215 BIP — a roughly even matchup.
    • Sinker (29% usage) projects to .379 xwOBA over 266 BIP — a meaningful edge for the batter.
    • Cutter (17% usage) projects to .383 xwOBA over 105 BIP — a meaningful edge for the batter.
    • Four-Seam Fastball (16% usage) projects to .417 xwOBA over 453 BIP — a meaningful edge for the batter.
    • Changeup (5% usage) projects to .301 xwOBA over 169 BIP — a roughly even matchup.
  4. 4 NN Nasim Nuñez SH .287
    Pitch-by-pitch projection vs. Nasim Nuñez
    • Slider (32% usage) projects to .276 xwOBA over 62 BIP — a clear edge for the pitcher.
    • Sinker (29% usage) projects to .278 xwOBA over 88 BIP — a clear edge for the pitcher.
    • Cutter (17% usage) projects to .301 xwOBA over 37 BIP — a roughly even matchup.
    • Four-Seam Fastball (16% usage) projects to .321 xwOBA over 234 BIP — a roughly even matchup.
    • Changeup (5% usage) projects to .250 xwOBA over 89 BIP — a clear edge for the pitcher.
  5. 5 JY Jacob Young RHB .296
    Pitch-by-pitch projection vs. Jacob Young
    • Slider (32% usage) projects to .253 xwOBA over 203 BIP — a clear edge for the pitcher.
    • Sinker (29% usage) projects to .297 xwOBA over 312 BIP — a roughly even matchup.
    • Cutter (17% usage) projects to .342 xwOBA over 86 BIP — a meaningful edge for the batter.
    • Four-Seam Fastball (16% usage) projects to .338 xwOBA over 358 BIP — a roughly even matchup.
    • Changeup (5% usage) projects to .281 xwOBA over 115 BIP — a roughly even matchup.
  6. 6 DC Dylan Crews RHB .310
    Pitch-by-pitch projection vs. Dylan Crews
    • Slider (32% usage) projects to .302 xwOBA over 126 BIP — a roughly even matchup.
    • Sinker (29% usage) projects to .337 xwOBA over 198 BIP — a roughly even matchup.
    • Cutter (17% usage) projects to .276 xwOBA over 74 BIP — a clear edge for the pitcher.
    • Four-Seam Fastball (16% usage) projects to .318 xwOBA over 243 BIP — a roughly even matchup.
    • Changeup (5% usage) projects to .299 xwOBA over 72 BIP — a roughly even matchup.
  7. 7 KR Keibert Ruiz SH .292
    Pitch-by-pitch projection vs. Keibert Ruiz
    • Slider (32% usage) projects to .267 xwOBA over 142 BIP — a clear edge for the pitcher.
    • Sinker (29% usage) projects to .319 xwOBA over 168 BIP — a roughly even matchup.
    • Cutter (17% usage) projects to .298 xwOBA over 85 BIP — a roughly even matchup.
    • Four-Seam Fastball (16% usage) projects to .291 xwOBA over 307 BIP — a roughly even matchup.
    • Changeup (5% usage) projects to .272 xwOBA over 167 BIP — a clear edge for the pitcher.
  8. 8 BH Brady House RHB .307
    Pitch-by-pitch projection vs. Brady House
    • Slider (32% usage) projects to .301 xwOBA over 109 BIP — a roughly even matchup.
    • Sinker (29% usage) projects to .311 xwOBA over 132 BIP — a roughly even matchup.
    • Cutter (17% usage) projects to .301 xwOBA over 27 BIP — a roughly even matchup.
    • Four-Seam Fastball (16% usage) projects to .317 xwOBA over 155 BIP — a roughly even matchup.
    • Changeup (5% usage) projects to .310 xwOBA over 53 BIP — a roughly even matchup.
  9. 9 JV Jorbit Vivas LHB .293
    Pitch-by-pitch projection vs. Jorbit Vivas
    • Slider (32% usage) projects to .287 xwOBA over 55 BIP — a roughly even matchup.
    • Sinker (29% usage) projects to .275 xwOBA over 66 BIP — a clear edge for the pitcher.
    • Cutter (17% usage) projects to .312 xwOBA over 32 BIP — a roughly even matchup.
    • Four-Seam Fastball (16% usage) projects to .319 xwOBA over 143 BIP — a roughly even matchup.
    • Changeup (5% usage) projects to .297 xwOBA over 51 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.