PITCHER MATCHUP

Stephen Kolek vs Tampa Bay Rays

How the Tampa Bay Rays's current regulars (top 9 by at-bats) project against Stephen Kolek's season-to-date arsenal — not the posted lineup for any single game.

Stephen Kolek's arsenal

Throws RHPvs LHH xwOBA .321vs RHH xwOBA .308Seasons 2026–2025–2024
Four-Seam Fastball 26%Sinker 25%Slider 16%Cutter 14%Changeup 11%Sweeper 8%

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 Stephen Kolek, by batting order. A season-to-date read — lower favors the pitcher.

Lineup avg xwOBA .306
  1. 1 JC Junior Caminero RHB .338
    Pitch-by-pitch projection vs. Junior Caminero
    • Four-Seam Fastball (26% usage) projects to .389 xwOBA over 268 BIP — a meaningful edge for the batter.
    • Sinker (25% usage) projects to .342 xwOBA over 306 BIP — a meaningful edge for the batter.
    • Slider (16% usage) projects to .311 xwOBA over 204 BIP — a roughly even matchup.
    • Cutter (14% usage) projects to .335 xwOBA over 89 BIP — a roughly even matchup.
    • Changeup (11% usage) projects to .279 xwOBA over 134 BIP — a clear edge for the pitcher.
    • Sweeper (8% usage) projects to .303 xwOBA over 142 BIP — a roughly even matchup.
  2. 2 YD Yandy Díaz RHB .325
    Pitch-by-pitch projection vs. Yandy Díaz
    • Four-Seam Fastball (26% usage) projects to .329 xwOBA over 436 BIP — a roughly even matchup.
    • Sinker (25% usage) projects to .351 xwOBA over 397 BIP — a meaningful edge for the batter.
    • Slider (16% usage) projects to .337 xwOBA over 252 BIP — a roughly even matchup.
    • Cutter (14% usage) projects to .269 xwOBA over 156 BIP — a clear edge for the pitcher.
    • Changeup (11% usage) projects to .293 xwOBA over 171 BIP — a roughly even matchup.
    • Sweeper (8% usage) projects to .354 xwOBA over 133 BIP — a meaningful edge for the batter.
  3. 3 JA Jonathan Aranda LHB .329
    Pitch-by-pitch projection vs. Jonathan Aranda
    • Four-Seam Fastball (26% usage) projects to .327 xwOBA over 332 BIP — a roughly even matchup.
    • Sinker (25% usage) projects to .330 xwOBA over 179 BIP — a roughly even matchup.
    • Slider (16% usage) projects to .326 xwOBA over 117 BIP — a roughly even matchup.
    • Cutter (14% usage) projects to .340 xwOBA over 100 BIP — a meaningful edge for the batter.
    • Changeup (11% usage) projects to .310 xwOBA over 109 BIP — a roughly even matchup.
    • Sweeper (8% usage) projects to .341 xwOBA over 64 BIP — a meaningful edge for the batter.
  4. 4 CS Chandler Simpson LHB .296
    Pitch-by-pitch projection vs. Chandler Simpson
    • Four-Seam Fastball (26% usage) projects to .301 xwOBA over 313 BIP — a roughly even matchup.
    • Sinker (25% usage) projects to .273 xwOBA over 171 BIP — a clear edge for the pitcher.
    • Slider (16% usage) projects to .310 xwOBA over 73 BIP — a roughly even matchup.
    • Cutter (14% usage) projects to .315 xwOBA over 61 BIP — a roughly even matchup.
    • Changeup (11% usage) projects to .272 xwOBA over 85 BIP — a clear edge for the pitcher.
    • Sweeper (8% usage) projects to .321 xwOBA over 42 BIP — a roughly even matchup.
  5. 5 LH Liam Hicks LHB .309
    Pitch-by-pitch projection vs. Liam Hicks
    • Four-Seam Fastball (26% usage) projects to .353 xwOBA over 283 BIP — a meaningful edge for the batter.
    • Sinker (25% usage) projects to .292 xwOBA over 139 BIP — a roughly even matchup.
    • Slider (16% usage) projects to .296 xwOBA over 84 BIP — a roughly even matchup.
    • Cutter (14% usage) projects to .305 xwOBA over 59 BIP — a roughly even matchup.
    • Changeup (11% usage) projects to .281 xwOBA over 99 BIP — a roughly even matchup.
    • Sweeper (8% usage) projects to .294 xwOBA over 36 BIP — a roughly even matchup.
  6. 6 CM Cedric Mullins LHB .282
    Pitch-by-pitch projection vs. Cedric Mullins
    • Four-Seam Fastball (26% usage) projects to .264 xwOBA over 475 BIP — a clear edge for the pitcher.
    • Sinker (25% usage) projects to .311 xwOBA over 206 BIP — a roughly even matchup.
    • Slider (16% usage) projects to .262 xwOBA over 162 BIP — a clear edge for the pitcher.
    • Cutter (14% usage) projects to .283 xwOBA over 112 BIP — a roughly even matchup.
    • Changeup (11% usage) projects to .301 xwOBA over 142 BIP — a roughly even matchup.
    • Sweeper (8% usage) projects to .256 xwOBA over 80 BIP — a clear edge for the pitcher.
  7. 7 TW Taylor Walls SH .277
    Pitch-by-pitch projection vs. Taylor Walls
    • Four-Seam Fastball (26% usage) projects to .258 xwOBA over 347 BIP — a clear edge for the pitcher.
    • Sinker (25% usage) projects to .320 xwOBA over 123 BIP — a roughly even matchup.
    • Slider (16% usage) projects to .255 xwOBA over 79 BIP — a clear edge for the pitcher.
    • Cutter (14% usage) projects to .287 xwOBA over 93 BIP — a roughly even matchup.
    • Changeup (11% usage) projects to .244 xwOBA over 95 BIP — a clear edge for the pitcher.
    • Sweeper (8% usage) projects to .278 xwOBA over 36 BIP — a clear edge for the pitcher.
  8. 8 RP Richie Palacios LHB .312
    Pitch-by-pitch projection vs. Richie Palacios
    • Four-Seam Fastball (26% usage) projects to .320 xwOBA over 226 BIP — a roughly even matchup.
    • Sinker (25% usage) projects to .281 xwOBA over 99 BIP — a roughly even matchup.
    • Slider (16% usage) projects to .323 xwOBA over 65 BIP — a roughly even matchup.
    • Cutter (14% usage) projects to .334 xwOBA over 52 BIP — a roughly even matchup.
    • Changeup (11% usage) projects to .327 xwOBA over 64 BIP — a roughly even matchup.
    • Sweeper (8% usage) projects to .299 xwOBA over 26 BIP — a roughly even matchup.
  9. 9 NF Nick Fortes RHB .282
    Pitch-by-pitch projection vs. Nick Fortes
    • Four-Seam Fastball (26% usage) projects to .275 xwOBA over 221 BIP — a clear edge for the pitcher.
    • Sinker (25% usage) projects to .299 xwOBA over 195 BIP — a roughly even matchup.
    • Slider (16% usage) projects to .253 xwOBA over 113 BIP — a clear edge for the pitcher.
    • Cutter (14% usage) projects to .298 xwOBA over 67 BIP — a roughly even matchup.
    • Changeup (11% usage) projects to .289 xwOBA over 80 BIP — a roughly even matchup.
    • Sweeper (8% usage) projects to .273 xwOBA over 68 BIP — a clear edge for the pitcher.
Full pitch-by-pitch breakdown, with pitch-zone heatmaps →

No meeting currently scheduled — this is a durable season matchup read.