PITCHER MATCHUP

Robert Stock vs Pittsburgh Pirates

How the Pittsburgh Pirates's current regulars (top 9 by at-bats) project against Robert Stock's season-to-date arsenal — not the posted lineup for any single game.

Robert Stock's arsenal

Throws RHPvs LHH xwOBA .353vs RHH xwOBA .358Seasons 2026–2025
Cutter 32%Four-Seam Fastball 23%Sinker 23%Sweeper 12%Changeup 8%Knuckle Curve 1%

How the Pittsburgh Pirates's regulars project

Projected expected wOBA for each of the Pittsburgh Pirates's top-9-by-AB hitters against Robert Stock, by batting order. A season-to-date read — lower favors the pitcher.

Lineup avg xwOBA .320
  1. 1 BR Bryan Reynolds SH .363
    Pitch-by-pitch projection vs. Bryan Reynolds
    • Cutter (32% usage) projects to .371 xwOBA over 164 BIP — a meaningful edge for the batter.
    • Four-Seam Fastball (23% usage) projects to .373 xwOBA over 569 BIP — a meaningful edge for the batter.
    • Sinker (23% usage) projects to .369 xwOBA over 267 BIP — a meaningful edge for the batter.
    • Sweeper (12% usage) projects to .358 xwOBA over 120 BIP — a meaningful edge for the batter.
    • Changeup (8% usage) projects to .292 xwOBA over 294 BIP — a roughly even matchup.
  2. 2 NG Nick Gonzales RHB .311
    Pitch-by-pitch projection vs. Nick Gonzales
    • Cutter (32% usage) projects to .313 xwOBA over 107 BIP — a roughly even matchup.
    • Four-Seam Fastball (23% usage) projects to .317 xwOBA over 343 BIP — a roughly even matchup.
    • Sinker (23% usage) projects to .306 xwOBA over 311 BIP — a roughly even matchup.
    • Sweeper (12% usage) projects to .302 xwOBA over 131 BIP — a roughly even matchup.
    • Changeup (8% usage) projects to .311 xwOBA over 107 BIP — a roughly even matchup.
  3. 3 JM Jake Mangum SH .307
    Pitch-by-pitch projection vs. Jake Mangum
    • Cutter (32% usage) projects to .328 xwOBA over 65 BIP — a roughly even matchup.
    • Four-Seam Fastball (23% usage) projects to .309 xwOBA over 229 BIP — a roughly even matchup.
    • Sinker (23% usage) projects to .288 xwOBA over 126 BIP — a roughly even matchup.
    • Sweeper (12% usage) projects to .300 xwOBA over 53 BIP — a roughly even matchup.
    • Changeup (8% usage) projects to .286 xwOBA over 118 BIP — a roughly even matchup.
  4. 4 RO Ryan O'Hearn LHB .322
    Pitch-by-pitch projection vs. Ryan O'Hearn
    • Cutter (32% usage) projects to .290 xwOBA over 113 BIP — a roughly even matchup.
    • Four-Seam Fastball (23% usage) projects to .352 xwOBA over 459 BIP — a meaningful edge for the batter.
    • Sinker (23% usage) projects to .364 xwOBA over 242 BIP — a meaningful edge for the batter.
    • Sweeper (12% usage) projects to .291 xwOBA over 75 BIP — a roughly even matchup.
    • Changeup (8% usage) projects to .295 xwOBA over 160 BIP — a roughly even matchup.
  5. 5 SH Spencer Horwitz LHB .316
    Pitch-by-pitch projection vs. Spencer Horwitz
    • Cutter (32% usage) projects to .302 xwOBA over 104 BIP — a roughly even matchup.
    • Four-Seam Fastball (23% usage) projects to .328 xwOBA over 424 BIP — a roughly even matchup.
    • Sinker (23% usage) projects to .333 xwOBA over 184 BIP — a roughly even matchup.
    • Sweeper (12% usage) projects to .305 xwOBA over 81 BIP — a roughly even matchup.
    • Changeup (8% usage) projects to .310 xwOBA over 132 BIP — a roughly even matchup.
  6. 6 OC Oneil Cruz LHB .349
    Pitch-by-pitch projection vs. Oneil Cruz
    • Cutter (32% usage) projects to .382 xwOBA over 109 BIP — a meaningful edge for the batter.
    • Four-Seam Fastball (23% usage) projects to .378 xwOBA over 379 BIP — a meaningful edge for the batter.
    • Sinker (23% usage) projects to .316 xwOBA over 236 BIP — a roughly even matchup.
    • Sweeper (12% usage) projects to .320 xwOBA over 113 BIP — a roughly even matchup.
    • Changeup (8% usage) projects to .278 xwOBA over 194 BIP — a clear edge for the pitcher.
  7. 7 JT Jared Triolo RHB .291
    Pitch-by-pitch projection vs. Jared Triolo
    • Cutter (32% usage) projects to .272 xwOBA over 73 BIP — a clear edge for the pitcher.
    • Four-Seam Fastball (23% usage) projects to .307 xwOBA over 375 BIP — a roughly even matchup.
    • Sinker (23% usage) projects to .316 xwOBA over 258 BIP — a roughly even matchup.
    • Sweeper (12% usage) projects to .272 xwOBA over 97 BIP — a clear edge for the pitcher.
    • Changeup (8% usage) projects to .277 xwOBA over 103 BIP — a clear edge for the pitcher.
  8. 8 KG Konnor Griffin RHB .319
    Pitch-by-pitch projection vs. Konnor Griffin
    • Cutter (32% usage) projects to .324 xwOBA over 24 BIP — a roughly even matchup.
    • Four-Seam Fastball (23% usage) projects to .331 xwOBA over 76 BIP — a roughly even matchup.
    • Sinker (23% usage) projects to .307 xwOBA over 76 BIP — a roughly even matchup.
    • Sweeper (12% usage) projects to .305 xwOBA over 28 BIP — a roughly even matchup.
    • Changeup (8% usage) projects to .315 xwOBA over 36 BIP — a roughly even matchup.
  9. 9 HD Henry Davis RHB .301
    Pitch-by-pitch projection vs. Henry Davis
    • Cutter (32% usage) projects to .306 xwOBA over 40 BIP — a roughly even matchup.
    • Four-Seam Fastball (23% usage) projects to .283 xwOBA over 221 BIP — a roughly even matchup.
    • Sinker (23% usage) projects to .336 xwOBA over 135 BIP — a roughly even matchup.
    • Sweeper (12% usage) projects to .280 xwOBA over 54 BIP — a roughly even matchup.
    • Changeup (8% usage) projects to .262 xwOBA over 51 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.