PITCHER MATCHUP

Mitch Keller vs Seattle Mariners

How the Seattle Mariners's current regulars (top 9 by at-bats) project against Mitch Keller's season-to-date arsenal — not the posted lineup for any single game.

Mitch Keller's arsenal

Throws RHPvs LHH xwOBA .361vs RHH xwOBA .296Seasons 2026–2025–2024
Four-Seam Fastball 33%Sinker 19%Sweeper 18%Slider 12%Curveball 8%Changeup 7%Cutter 4%

How the Seattle Mariners's regulars project

Projected expected wOBA for each of the Seattle Mariners's top-9-by-AB hitters against Mitch Keller, by batting order. A season-to-date read — lower favors the pitcher.

Lineup avg xwOBA .326
  1. 1 JR Julio Rodríguez RHB .334
    Pitch-by-pitch projection vs. Julio Rodríguez
    • Four-Seam Fastball (33% usage) projects to .351 xwOBA over 423 BIP — a meaningful edge for the batter.
    • Sinker (19% usage) projects to .348 xwOBA over 363 BIP — a meaningful edge for the batter.
    • Sweeper (18% usage) projects to .298 xwOBA over 146 BIP — a roughly even matchup.
    • Slider (12% usage) projects to .349 xwOBA over 276 BIP — a meaningful edge for the batter.
    • Curveball (8% usage) projects to .330 xwOBA over 78 BIP — a roughly even matchup.
    • Changeup (7% usage) projects to .309 xwOBA over 171 BIP — a roughly even matchup.
    • Cutter (4% usage) projects to .298 xwOBA over 114 BIP — a roughly even matchup.
  2. 2 CY Cole Young LHB .310
    Pitch-by-pitch projection vs. Cole Young
    • Four-Seam Fastball (33% usage) projects to .302 xwOBA over 212 BIP — a roughly even matchup.
    • Sinker (19% usage) projects to .342 xwOBA over 96 BIP — a meaningful edge for the batter.
    • Sweeper (18% usage) projects to .283 xwOBA over 30 BIP — a roughly even matchup.
    • Slider (12% usage) projects to .329 xwOBA over 70 BIP — a roughly even matchup.
    • Curveball (8% usage) projects to .315 xwOBA over 23 BIP — a roughly even matchup.
    • Changeup (7% usage) projects to .285 xwOBA over 67 BIP — a roughly even matchup.
    • Cutter (4% usage) projects to .329 xwOBA over 43 BIP — a roughly even matchup.
  3. 3 JN Josh Naylor LHB .324
    Pitch-by-pitch projection vs. Josh Naylor
    • Four-Seam Fastball (33% usage) projects to .340 xwOBA over 451 BIP — a meaningful edge for the batter.
    • Sinker (19% usage) projects to .321 xwOBA over 260 BIP — a roughly even matchup.
    • Sweeper (18% usage) projects to .311 xwOBA over 99 BIP — a roughly even matchup.
    • Slider (12% usage) projects to .280 xwOBA over 211 BIP — a roughly even matchup.
    • Curveball (8% usage) projects to .322 xwOBA over 73 BIP — a roughly even matchup.
    • Changeup (7% usage) projects to .334 xwOBA over 218 BIP — a roughly even matchup.
    • Cutter (4% usage) projects to .363 xwOBA over 116 BIP — a meaningful edge for the batter.
  4. 4 JC J.P. Crawford LHB .323
    Pitch-by-pitch projection vs. J.P. Crawford
    • Four-Seam Fastball (33% usage) projects to .344 xwOBA over 474 BIP — a meaningful edge for the batter.
    • Sinker (19% usage) projects to .322 xwOBA over 243 BIP — a roughly even matchup.
    • Sweeper (18% usage) projects to .288 xwOBA over 83 BIP — a roughly even matchup.
    • Slider (12% usage) projects to .304 xwOBA over 186 BIP — a roughly even matchup.
    • Curveball (8% usage) projects to .329 xwOBA over 47 BIP — a roughly even matchup.
    • Changeup (7% usage) projects to .333 xwOBA over 114 BIP — a roughly even matchup.
    • Cutter (4% usage) projects to .322 xwOBA over 114 BIP — a roughly even matchup.
  5. 5 LR Luke Raley LHB .332
    Pitch-by-pitch projection vs. Luke Raley
    • Four-Seam Fastball (33% usage) projects to .367 xwOBA over 245 BIP — a meaningful edge for the batter.
    • Sinker (19% usage) projects to .346 xwOBA over 109 BIP — a meaningful edge for the batter.
    • Sweeper (18% usage) projects to .301 xwOBA over 58 BIP — a roughly even matchup.
    • Slider (12% usage) projects to .276 xwOBA over 139 BIP — a clear edge for the pitcher.
    • Curveball (8% usage) projects to .320 xwOBA over 43 BIP — a roughly even matchup.
    • Changeup (7% usage) projects to .309 xwOBA over 130 BIP — a roughly even matchup.
    • Cutter (4% usage) projects to .337 xwOBA over 85 BIP — a roughly even matchup.
  6. 6 CR Cal Raleigh SH .347
    Pitch-by-pitch projection vs. Cal Raleigh
    • Four-Seam Fastball (33% usage) projects to .350 xwOBA over 533 BIP — a meaningful edge for the batter.
    • Sinker (19% usage) projects to .437 xwOBA over 146 BIP — a meaningful edge for the batter.
    • Sweeper (18% usage) projects to .304 xwOBA over 55 BIP — a roughly even matchup.
    • Slider (12% usage) projects to .314 xwOBA over 166 BIP — a roughly even matchup.
    • Curveball (8% usage) projects to .286 xwOBA over 105 BIP — a roughly even matchup.
    • Changeup (7% usage) projects to .339 xwOBA over 276 BIP — a roughly even matchup.
    • Cutter (4% usage) projects to .321 xwOBA over 115 BIP — a roughly even matchup.
  7. 7 DC Dominic Canzone LHB .358
    Pitch-by-pitch projection vs. Dominic Canzone
    • Four-Seam Fastball (33% usage) projects to .395 xwOBA over 184 BIP — a meaningful edge for the batter.
    • Sinker (19% usage) projects to .350 xwOBA over 88 BIP — a meaningful edge for the batter.
    • Sweeper (18% usage) projects to .323 xwOBA over 35 BIP — a roughly even matchup.
    • Slider (12% usage) projects to .343 xwOBA over 87 BIP — a meaningful edge for the batter.
    • Curveball (8% usage) projects to .359 xwOBA over 49 BIP — a meaningful edge for the batter.
    • Changeup (7% usage) projects to .297 xwOBA over 107 BIP — a roughly even matchup.
    • Cutter (4% usage) projects to .384 xwOBA over 43 BIP — a meaningful edge for the batter.
  8. 8 RR Rob Refsnyder RHB .313
    Pitch-by-pitch projection vs. Rob Refsnyder
    • Four-Seam Fastball (33% usage) projects to .325 xwOBA over 220 BIP — a roughly even matchup.
    • Sinker (19% usage) projects to .317 xwOBA over 114 BIP — a roughly even matchup.
    • Sweeper (18% usage) projects to .312 xwOBA over 45 BIP — a roughly even matchup.
    • Slider (12% usage) projects to .264 xwOBA over 73 BIP — a clear edge for the pitcher.
    • Curveball (8% usage) projects to .302 xwOBA over 32 BIP — a roughly even matchup.
    • Changeup (7% usage) projects to .340 xwOBA over 61 BIP — a meaningful edge for the batter.
    • Cutter (4% usage) projects to .314 xwOBA over 45 BIP — a roughly even matchup.
  9. 9 MG Mitch Garver RHB .291
    Pitch-by-pitch projection vs. Mitch Garver
    • Four-Seam Fastball (33% usage) projects to .286 xwOBA over 267 BIP — a roughly even matchup.
    • Sinker (19% usage) projects to .332 xwOBA over 150 BIP — a roughly even matchup.
    • Sweeper (18% usage) projects to .282 xwOBA over 69 BIP — a roughly even matchup.
    • Slider (12% usage) projects to .256 xwOBA over 152 BIP — a clear edge for the pitcher.
    • Curveball (8% usage) projects to .292 xwOBA over 29 BIP — a roughly even matchup.
    • Changeup (7% usage) projects to .283 xwOBA over 90 BIP — a roughly even matchup.
    • Cutter (4% usage) projects to .299 xwOBA over 52 BIP — a roughly even matchup.
Full pitch-by-pitch breakdown, with pitch-zone heatmaps →

Next scheduled meeting: 2026-06-23 game page →