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 .367vs RHH xwOBA .303Seasons 2026–2025–2024
Four-Seam Fastball 33%Sinker 19%Sweeper 17%Slider 11%Curveball 9%Changeup 7%Cutter 5%

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 .320
  1. 1 JN Josh Naylor LHB .320
    Pitch-by-pitch projection vs. Josh Naylor
    • Four-Seam Fastball (33% usage) projects to .343 xwOBA over 546 BIP — a meaningful edge for the batter.
    • Sinker (19% usage) projects to .320 xwOBA over 321 BIP — a roughly even matchup.
    • Sweeper (17% usage) projects to .315 xwOBA over 118 BIP — a roughly even matchup.
    • Slider (11% usage) projects to .272 xwOBA over 248 BIP — a clear edge for the pitcher.
    • Curveball (9% usage) projects to .292 xwOBA over 94 BIP — a roughly even matchup.
    • Changeup (7% usage) projects to .324 xwOBA over 248 BIP — a roughly even matchup.
    • Cutter (5% usage) projects to .342 xwOBA over 140 BIP — a meaningful edge for the batter.
  2. 2 JR Julio Rodríguez RHB .329
    Pitch-by-pitch projection vs. Julio Rodríguez
    • Four-Seam Fastball (33% usage) projects to .346 xwOBA over 497 BIP — a meaningful edge for the batter.
    • Sinker (19% usage) projects to .349 xwOBA over 423 BIP — a meaningful edge for the batter.
    • Sweeper (17% usage) projects to .295 xwOBA over 172 BIP — a roughly even matchup.
    • Slider (11% usage) projects to .323 xwOBA over 316 BIP — a roughly even matchup.
    • Curveball (9% usage) projects to .320 xwOBA over 98 BIP — a roughly even matchup.
    • Changeup (7% usage) projects to .315 xwOBA over 195 BIP — a roughly even matchup.
    • Cutter (5% usage) projects to .303 xwOBA over 141 BIP — a roughly even matchup.
  3. 3 CY Cole Young LHB .307
    Pitch-by-pitch projection vs. Cole Young
    • Four-Seam Fastball (33% usage) projects to .317 xwOBA over 282 BIP — a roughly even matchup.
    • Sinker (19% usage) projects to .323 xwOBA over 146 BIP — a roughly even matchup.
    • Sweeper (17% usage) projects to .282 xwOBA over 54 BIP — a roughly even matchup.
    • Slider (11% usage) projects to .291 xwOBA over 109 BIP — a roughly even matchup.
    • Curveball (9% usage) projects to .320 xwOBA over 36 BIP — a roughly even matchup.
    • Changeup (7% usage) projects to .297 xwOBA over 103 BIP — a roughly even matchup.
    • Cutter (5% usage) projects to .303 xwOBA over 79 BIP — a roughly even matchup.
  4. 4 DC Dominic Canzone LHB .345
    Pitch-by-pitch projection vs. Dominic Canzone
    • Four-Seam Fastball (33% usage) projects to .400 xwOBA over 264 BIP — a meaningful edge for the batter.
    • Sinker (19% usage) projects to .333 xwOBA over 138 BIP — a roughly even matchup.
    • Sweeper (17% usage) projects to .297 xwOBA over 52 BIP — a roughly even matchup.
    • Slider (11% usage) projects to .307 xwOBA over 144 BIP — a roughly even matchup.
    • Curveball (9% usage) projects to .334 xwOBA over 63 BIP — a roughly even matchup.
    • Changeup (7% usage) projects to .302 xwOBA over 142 BIP — a roughly even matchup.
    • Cutter (5% usage) projects to .358 xwOBA over 71 BIP — a meaningful edge for the batter.
  5. 5 CR Cal Raleigh SH .340
    Pitch-by-pitch projection vs. Cal Raleigh
    • Four-Seam Fastball (33% usage) projects to .341 xwOBA over 642 BIP — a meaningful edge for the batter.
    • Sinker (19% usage) projects to .421 xwOBA over 175 BIP — a meaningful edge for the batter.
    • Sweeper (17% usage) projects to .307 xwOBA over 71 BIP — a roughly even matchup.
    • Slider (11% usage) projects to .295 xwOBA over 204 BIP — a roughly even matchup.
    • Curveball (9% usage) projects to .298 xwOBA over 123 BIP — a roughly even matchup.
    • Changeup (7% usage) projects to .337 xwOBA over 314 BIP — a roughly even matchup.
    • Cutter (5% usage) projects to .319 xwOBA over 143 BIP — a roughly even matchup.
  6. 6 LR Luke Raley LHB .330
    Pitch-by-pitch projection vs. Luke Raley
    • Four-Seam Fastball (33% usage) projects to .354 xwOBA over 266 BIP — a meaningful edge for the batter.
    • Sinker (19% usage) projects to .361 xwOBA over 116 BIP — a meaningful edge for the batter.
    • Sweeper (17% usage) projects to .302 xwOBA over 67 BIP — a roughly even matchup.
    • Slider (11% usage) projects to .272 xwOBA over 145 BIP — a clear edge for the pitcher.
    • Curveball (9% usage) projects to .316 xwOBA over 48 BIP — a roughly even matchup.
    • Changeup (7% usage) projects to .308 xwOBA over 136 BIP — a roughly even matchup.
    • Cutter (5% usage) projects to .335 xwOBA over 89 BIP — a roughly even matchup.
  7. 7 CE Colt Emerson LHB .302
    Pitch-by-pitch projection vs. Colt Emerson
    • Four-Seam Fastball (33% usage) projects to .293 xwOBA over 65 BIP — a roughly even matchup.
    • Sinker (19% usage) projects to .317 xwOBA over 37 BIP — a roughly even matchup.
    • Sweeper (17% usage) projects to .321 xwOBA over 17 BIP — a roughly even matchup.
    • Slider (11% usage) projects to .298 xwOBA over 23 BIP — a roughly even matchup.
    • Curveball (9% usage) projects to .301 xwOBA over 13 BIP — a roughly even matchup.
    • Changeup (7% usage) projects to .288 xwOBA over 24 BIP — a roughly even matchup.
    • Cutter (5% usage) projects to .273 xwOBA over 22 BIP — a clear edge for the pitcher.
  8. 8 BD Brendan Donovan LHB .324
    Pitch-by-pitch projection vs. Brendan Donovan
    • Four-Seam Fastball (33% usage) projects to .330 xwOBA over 440 BIP — a roughly even matchup.
    • Sinker (19% usage) projects to .309 xwOBA over 248 BIP — a roughly even matchup.
    • Sweeper (17% usage) projects to .337 xwOBA over 83 BIP — a roughly even matchup.
    • Slider (11% usage) projects to .295 xwOBA over 150 BIP — a roughly even matchup.
    • Curveball (9% usage) projects to .337 xwOBA over 91 BIP — a roughly even matchup.
    • Changeup (7% usage) projects to .335 xwOBA over 133 BIP — a roughly even matchup.
    • Cutter (5% usage) projects to .315 xwOBA over 106 BIP — a roughly even matchup.
  9. 9 LR Leo Rivas SH .287
    Pitch-by-pitch projection vs. Leo Rivas
    • Four-Seam Fastball (33% usage) projects to .278 xwOBA over 120 BIP — a clear edge for the pitcher.
    • Sinker (19% usage) projects to .297 xwOBA over 56 BIP — a roughly even matchup.
    • Sweeper (17% usage) projects to .304 xwOBA over 17 BIP — a roughly even matchup.
    • Slider (11% usage) projects to .284 xwOBA over 42 BIP — a roughly even matchup.
    • Curveball (9% usage) projects to .277 xwOBA over 13 BIP — a clear edge for the pitcher.
    • Changeup (7% usage) projects to .272 xwOBA over 36 BIP — a clear edge for the pitcher.
    • Cutter (5% usage) projects to .292 xwOBA over 35 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.