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 .326
  1. 1 BR Bryan Reynolds SH .362
    Pitch-by-pitch projection vs. Bryan Reynolds
    • Cutter (32% usage) projects to .370 xwOBA over 164 BIP — a meaningful edge for the batter.
    • Four-Seam Fastball (23% usage) projects to .372 xwOBA over 565 BIP — a meaningful edge for the batter.
    • Sinker (23% usage) projects to .369 xwOBA over 265 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 .290 xwOBA over 293 BIP — a roughly even matchup.
  2. 2 BL Brandon Lowe SH .348
    Pitch-by-pitch projection vs. Brandon Lowe
    • Cutter (32% usage) projects to .350 xwOBA over 126 BIP — a meaningful edge for the batter.
    • Four-Seam Fastball (23% usage) projects to .375 xwOBA over 402 BIP — a meaningful edge for the batter.
    • Sinker (23% usage) projects to .353 xwOBA over 218 BIP — a meaningful edge for the batter.
    • Sweeper (12% usage) projects to .284 xwOBA over 102 BIP — a roughly even matchup.
    • Changeup (8% usage) projects to .342 xwOBA over 236 BIP — a meaningful edge for the batter.
  3. 3 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 .315 xwOBA over 338 BIP — a roughly even matchup.
    • Sinker (23% usage) projects to .307 xwOBA over 308 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.
  4. 4 JM Jake Mangum SH .308
    Pitch-by-pitch projection vs. Jake Mangum
    • Cutter (32% usage) projects to .329 xwOBA over 64 BIP — a roughly even matchup.
    • Four-Seam Fastball (23% usage) projects to .311 xwOBA over 227 BIP — a roughly even matchup.
    • Sinker (23% usage) projects to .289 xwOBA over 125 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 117 BIP — a roughly even matchup.
  5. 5 RO Ryan O'Hearn LHB .325
    Pitch-by-pitch projection vs. Ryan O'Hearn
    • Cutter (32% usage) projects to .295 xwOBA over 112 BIP — a roughly even matchup.
    • Four-Seam Fastball (23% usage) projects to .355 xwOBA over 454 BIP — a meaningful edge for the batter.
    • Sinker (23% usage) projects to .364 xwOBA over 240 BIP — a meaningful edge for the batter.
    • Sweeper (12% usage) projects to .291 xwOBA over 74 BIP — a roughly even matchup.
    • Changeup (8% usage) projects to .296 xwOBA over 159 BIP — a roughly even matchup.
  6. 6 SH Spencer Horwitz LHB .318
    Pitch-by-pitch projection vs. Spencer Horwitz
    • Cutter (32% usage) projects to .306 xwOBA over 103 BIP — a roughly even matchup.
    • Four-Seam Fastball (23% usage) projects to .328 xwOBA over 419 BIP — a roughly even matchup.
    • Sinker (23% usage) projects to .334 xwOBA over 183 BIP — a roughly even matchup.
    • Sweeper (12% usage) projects to .304 xwOBA over 80 BIP — a roughly even matchup.
    • Changeup (8% usage) projects to .310 xwOBA over 132 BIP — a roughly even matchup.
  7. 7 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 235 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.
  8. 8 JT Jared Triolo RHB .292
    Pitch-by-pitch projection vs. Jared Triolo
    • Cutter (32% usage) projects to .276 xwOBA over 71 BIP — a clear edge for the pitcher.
    • Four-Seam Fastball (23% usage) projects to .308 xwOBA over 374 BIP — a roughly even matchup.
    • Sinker (23% usage) projects to .315 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 101 BIP — a clear edge for the pitcher.
  9. 9 KG Konnor Griffin RHB .317
    Pitch-by-pitch projection vs. Konnor Griffin
    • Cutter (32% usage) projects to .326 xwOBA over 22 BIP — a roughly even matchup.
    • Four-Seam Fastball (23% usage) projects to .322 xwOBA over 69 BIP — a roughly even matchup.
    • Sinker (23% usage) projects to .305 xwOBA over 74 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.
Full pitch-by-pitch breakdown, with pitch-zone heatmaps →

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