PITCHER MATCHUP

Kumar Rocker vs Tampa Bay Rays

How the Tampa Bay Rays'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 .306Seasons 2026–2025–2024
Slider 32%Sinker 29%Cutter 17%Four-Seam Fastball 15%Changeup 5%Curveball 2%

How the Tampa Bay Rays's regulars project

Projected expected wOBA for each of the Tampa Bay Rays'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 JC Junior Caminero RHB .335
    Pitch-by-pitch projection vs. Junior Caminero
    • Slider (32% usage) projects to .315 xwOBA over 218 BIP — a roughly even matchup.
    • Sinker (29% usage) projects to .336 xwOBA over 326 BIP — a roughly even matchup.
    • Cutter (17% usage) projects to .331 xwOBA over 96 BIP — a roughly even matchup.
    • Four-Seam Fastball (15% usage) projects to .392 xwOBA over 277 BIP — a meaningful edge for the batter.
    • Changeup (5% usage) projects to .298 xwOBA over 142 BIP — a roughly even matchup.
  2. 2 YD Yandy Díaz RHB .335
    Pitch-by-pitch projection vs. Yandy Díaz
    • Slider (32% usage) projects to .363 xwOBA over 266 BIP — a meaningful edge for the batter.
    • Sinker (29% usage) projects to .347 xwOBA over 416 BIP — a meaningful edge for the batter.
    • Cutter (17% usage) projects to .269 xwOBA over 161 BIP — a clear edge for the pitcher.
    • Four-Seam Fastball (15% usage) projects to .339 xwOBA over 457 BIP — a roughly even matchup.
    • Changeup (5% usage) projects to .312 xwOBA over 176 BIP — a roughly even matchup.
  3. 3 JA Jonathan Aranda LHB .337
    Pitch-by-pitch projection vs. Jonathan Aranda
    • Slider (32% usage) projects to .331 xwOBA over 120 BIP — a roughly even matchup.
    • Sinker (29% usage) projects to .326 xwOBA over 192 BIP — a roughly even matchup.
    • Cutter (17% usage) projects to .359 xwOBA over 103 BIP — a meaningful edge for the batter.
    • Four-Seam Fastball (15% usage) projects to .337 xwOBA over 363 BIP — a roughly even matchup.
    • Changeup (5% usage) projects to .364 xwOBA over 117 BIP — a meaningful edge for the batter.
  4. 4 CS Chandler Simpson LHB .298
    Pitch-by-pitch projection vs. Chandler Simpson
    • Slider (32% usage) projects to .317 xwOBA over 78 BIP — a roughly even matchup.
    • Sinker (29% usage) projects to .272 xwOBA over 189 BIP — a clear edge for the pitcher.
    • Cutter (17% usage) projects to .303 xwOBA over 68 BIP — a roughly even matchup.
    • Four-Seam Fastball (15% usage) projects to .306 xwOBA over 345 BIP — a roughly even matchup.
    • Changeup (5% usage) projects to .289 xwOBA over 89 BIP — a roughly even matchup.
  5. 5 LH Liam Hicks LHB .311
    Pitch-by-pitch projection vs. Liam Hicks
    • Slider (32% usage) projects to .287 xwOBA over 89 BIP — a roughly even matchup.
    • Sinker (29% usage) projects to .309 xwOBA over 150 BIP — a roughly even matchup.
    • Cutter (17% usage) projects to .326 xwOBA over 63 BIP — a roughly even matchup.
    • Four-Seam Fastball (15% usage) projects to .350 xwOBA over 298 BIP — a meaningful edge for the batter.
    • Changeup (5% usage) projects to .297 xwOBA over 105 BIP — a roughly even matchup.
  6. 6 CM Cedric Mullins LHB .282
    Pitch-by-pitch projection vs. Cedric Mullins
    • Slider (32% usage) projects to .239 xwOBA over 166 BIP — a clear edge for the pitcher.
    • Sinker (29% usage) projects to .319 xwOBA over 214 BIP — a roughly even matchup.
    • Cutter (17% usage) projects to .290 xwOBA over 114 BIP — a roughly even matchup.
    • Four-Seam Fastball (15% usage) projects to .283 xwOBA over 502 BIP — a roughly even matchup.
    • Changeup (5% usage) projects to .311 xwOBA over 147 BIP — a roughly even matchup.
  7. 7 TW Taylor Walls SH .283
    Pitch-by-pitch projection vs. Taylor Walls
    • Slider (32% usage) projects to .249 xwOBA over 79 BIP — a clear edge for the pitcher.
    • Sinker (29% usage) projects to .322 xwOBA over 134 BIP — a roughly even matchup.
    • Cutter (17% usage) projects to .311 xwOBA over 96 BIP — a roughly even matchup.
    • Four-Seam Fastball (15% usage) projects to .265 xwOBA over 376 BIP — a clear edge for the pitcher.
    • Changeup (5% usage) projects to .230 xwOBA over 100 BIP — a clear edge for the pitcher.
  8. 8 RP Richie Palacios LHB .314
    Pitch-by-pitch projection vs. Richie Palacios
    • Slider (32% usage) projects to .316 xwOBA over 68 BIP — a roughly even matchup.
    • Sinker (29% usage) projects to .291 xwOBA over 112 BIP — a roughly even matchup.
    • Cutter (17% usage) projects to .332 xwOBA over 55 BIP — a roughly even matchup.
    • Four-Seam Fastball (15% usage) projects to .321 xwOBA over 240 BIP — a roughly even matchup.
    • Changeup (5% usage) projects to .352 xwOBA over 67 BIP — a meaningful edge for the batter.
  9. 9 JD Jonny DeLuca RHB .289
    Pitch-by-pitch projection vs. Jonny DeLuca
    • Slider (32% usage) projects to .252 xwOBA over 123 BIP — a clear edge for the pitcher.
    • Sinker (29% usage) projects to .313 xwOBA over 132 BIP — a roughly even matchup.
    • Cutter (17% usage) projects to .328 xwOBA over 58 BIP — a roughly even matchup.
    • Four-Seam Fastball (15% usage) projects to .279 xwOBA over 184 BIP — a clear edge for the pitcher.
    • Changeup (5% usage) projects to .278 xwOBA over 61 BIP — a clear edge for the pitcher.
Full pitch-by-pitch breakdown, with pitch-zone heatmaps →

Next scheduled meeting: 2026-09-04 game page →