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 .374vs RHH xwOBA .306Seasons 2026–2025–2024
Slider 31%Sinker 29%Cutter 18%Four-Seam Fastball 15%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 .303
  1. 1 DL Daylen Lile LHB .313
    Pitch-by-pitch projection vs. Daylen Lile
    • Slider (31% usage) projects to .277 xwOBA over 121 BIP — a clear edge for the pitcher.
    • Sinker (29% usage) projects to .324 xwOBA over 109 BIP — a roughly even matchup.
    • Cutter (18% usage) projects to .346 xwOBA over 63 BIP — a meaningful edge for the batter.
    • Four-Seam Fastball (15% usage) projects to .327 xwOBA over 235 BIP — a roughly even matchup.
    • Changeup (5% usage) projects to .305 xwOBA over 124 BIP — a roughly even matchup.
    • Curveball (2% usage) projects to .328 xwOBA over 49 BIP — a roughly even matchup.
  2. 2 CA CJ Abrams LHB .325
    Pitch-by-pitch projection vs. CJ Abrams
    • Slider (31% usage) projects to .289 xwOBA over 244 BIP — a roughly even matchup.
    • Sinker (29% usage) projects to .338 xwOBA over 271 BIP — a roughly even matchup.
    • Cutter (18% usage) projects to .350 xwOBA over 129 BIP — a meaningful edge for the batter.
    • Four-Seam Fastball (15% usage) projects to .343 xwOBA over 469 BIP — a meaningful edge for the batter.
    • Changeup (5% usage) projects to .352 xwOBA over 196 BIP — a meaningful edge for the batter.
    • Curveball (2% usage) projects to .272 xwOBA over 150 BIP — a clear edge for the pitcher.
  3. 3 NN Nasim Nuñez SH .287
    Pitch-by-pitch projection vs. Nasim Nuñez
    • Slider (31% usage) projects to .274 xwOBA over 53 BIP — a clear edge for the pitcher.
    • Sinker (29% usage) projects to .276 xwOBA over 76 BIP — a clear edge for the pitcher.
    • Cutter (18% usage) projects to .308 xwOBA over 34 BIP — a roughly even matchup.
    • Four-Seam Fastball (15% usage) projects to .321 xwOBA over 198 BIP — a roughly even matchup.
    • Changeup (5% usage) projects to .255 xwOBA over 81 BIP — a clear edge for the pitcher.
    • Curveball (2% usage) projects to .281 xwOBA over 33 BIP — a roughly even matchup.
  4. 4 JY Jacob Young RHB .299
    Pitch-by-pitch projection vs. Jacob Young
    • Slider (31% usage) projects to .262 xwOBA over 188 BIP — a clear edge for the pitcher.
    • Sinker (29% usage) projects to .301 xwOBA over 289 BIP — a roughly even matchup.
    • Cutter (18% usage) projects to .334 xwOBA over 73 BIP — a roughly even matchup.
    • Four-Seam Fastball (15% usage) projects to .333 xwOBA over 332 BIP — a roughly even matchup.
    • Changeup (5% usage) projects to .289 xwOBA over 110 BIP — a roughly even matchup.
    • Curveball (2% usage) projects to .292 xwOBA over 55 BIP — a roughly even matchup.
  5. 5 DC Dylan Crews RHB .311
    Pitch-by-pitch projection vs. Dylan Crews
    • Slider (31% usage) projects to .314 xwOBA over 109 BIP — a roughly even matchup.
    • Sinker (29% usage) projects to .328 xwOBA over 168 BIP — a roughly even matchup.
    • Cutter (18% usage) projects to .286 xwOBA over 64 BIP — a roughly even matchup.
    • Four-Seam Fastball (15% usage) projects to .305 xwOBA over 197 BIP — a roughly even matchup.
    • Changeup (5% usage) projects to .315 xwOBA over 63 BIP — a roughly even matchup.
    • Curveball (2% usage) projects to .293 xwOBA over 27 BIP — a roughly even matchup.
  6. 6 KR Keibert Ruiz SH .290
    Pitch-by-pitch projection vs. Keibert Ruiz
    • Slider (31% usage) projects to .261 xwOBA over 133 BIP — a clear edge for the pitcher.
    • Sinker (29% usage) projects to .319 xwOBA over 161 BIP — a roughly even matchup.
    • Cutter (18% usage) projects to .292 xwOBA over 79 BIP — a roughly even matchup.
    • Four-Seam Fastball (15% usage) projects to .293 xwOBA over 288 BIP — a roughly even matchup.
    • Changeup (5% usage) projects to .294 xwOBA over 147 BIP — a roughly even matchup.
    • Curveball (2% usage) projects to .276 xwOBA over 82 BIP — a clear edge for the pitcher.
  7. 7 BH Brady House RHB .301
    Pitch-by-pitch projection vs. Brady House
    • Slider (31% usage) projects to .288 xwOBA over 92 BIP — a roughly even matchup.
    • Sinker (29% usage) projects to .312 xwOBA over 107 BIP — a roughly even matchup.
    • Cutter (18% usage) projects to .300 xwOBA over 23 BIP — a roughly even matchup.
    • Four-Seam Fastball (15% usage) projects to .306 xwOBA over 124 BIP — a roughly even matchup.
    • Changeup (5% usage) projects to .302 xwOBA over 42 BIP — a roughly even matchup.
    • Curveball (2% usage) projects to .302 xwOBA over 20 BIP — a roughly even matchup.
  8. 8 JV Jorbit Vivas LHB .301
    Pitch-by-pitch projection vs. Jorbit Vivas
    • Slider (31% usage) projects to .300 xwOBA over 45 BIP — a roughly even matchup.
    • Sinker (29% usage) projects to .291 xwOBA over 46 BIP — a roughly even matchup.
    • Cutter (18% usage) projects to .312 xwOBA over 25 BIP — a roughly even matchup.
    • Four-Seam Fastball (15% usage) projects to .310 xwOBA over 108 BIP — a roughly even matchup.
    • Changeup (5% usage) projects to .294 xwOBA over 37 BIP — a roughly even matchup.
    • Curveball (2% usage) projects to .303 xwOBA over 17 BIP — a roughly even matchup.
  9. 9 JT José Tena LHB .301
    Pitch-by-pitch projection vs. José Tena
    • Slider (31% usage) projects to .264 xwOBA over 79 BIP — a clear edge for the pitcher.
    • Sinker (29% usage) projects to .319 xwOBA over 69 BIP — a roughly even matchup.
    • Cutter (18% usage) projects to .330 xwOBA over 44 BIP — a roughly even matchup.
    • Four-Seam Fastball (15% usage) projects to .308 xwOBA over 188 BIP — a roughly even matchup.
    • Changeup (5% usage) projects to .298 xwOBA over 71 BIP — a roughly even matchup.
    • Curveball (2% usage) projects to .305 xwOBA over 35 BIP — a roughly even matchup.
Full pitch-by-pitch breakdown, with pitch-zone heatmaps →

Next scheduled meeting: 2026-08-19 game page →