PITCHER MATCHUP

Jack Flaherty vs Houston Astros

How the Houston Astros's current regulars (top 9 by at-bats) project against Jack Flaherty's season-to-date arsenal — not the posted lineup for any single game.

Jack Flaherty's arsenal

Throws RHPvs LHH xwOBA .322vs RHH xwOBA .302Seasons 2026–2025–2024
Four-Seam Fastball 47%Slider 25%Knuckle Curve 22%Changeup 3%Sinker 3%Unknown 1%

How the Houston Astros's regulars project

Projected expected wOBA for each of the Houston Astros's top-9-by-AB hitters against Jack Flaherty, by batting order. A season-to-date read — lower favors the pitcher.

Lineup avg xwOBA .320
  1. 1 CW Christian Walker RHB .301
    Pitch-by-pitch projection vs. Christian Walker
    • Four-Seam Fastball (47% usage) projects to .323 xwOBA over 505 BIP — a roughly even matchup.
    • Slider (25% usage) projects to .262 xwOBA over 273 BIP — a clear edge for the pitcher.
    • Knuckle Curve (22% usage) projects to .295 xwOBA over 27 BIP — a roughly even matchup.
    • Changeup (3% usage) projects to .286 xwOBA over 173 BIP — a roughly even matchup.
    • Sinker (3% usage) projects to .334 xwOBA over 372 BIP — a roughly even matchup.
  2. 2 YA Yordan Alvarez SH .402
    Pitch-by-pitch projection vs. Yordan Alvarez
    • Four-Seam Fastball (47% usage) projects to .431 xwOBA over 429 BIP — a meaningful edge for the batter.
    • Slider (25% usage) projects to .389 xwOBA over 186 BIP — a meaningful edge for the batter.
    • Knuckle Curve (22% usage) projects to .359 xwOBA over 18 BIP — a meaningful edge for the batter.
    • Changeup (3% usage) projects to .361 xwOBA over 161 BIP — a meaningful edge for the batter.
    • Sinker (3% usage) projects to .397 xwOBA over 230 BIP — a meaningful edge for the batter.
  3. 3 IP Isaac Paredes RHB .325
    Pitch-by-pitch projection vs. Isaac Paredes
    • Four-Seam Fastball (47% usage) projects to .347 xwOBA over 497 BIP — a meaningful edge for the batter.
    • Slider (25% usage) projects to .301 xwOBA over 228 BIP — a roughly even matchup.
    • Knuckle Curve (22% usage) projects to .311 xwOBA over 21 BIP — a roughly even matchup.
    • Changeup (3% usage) projects to .285 xwOBA over 166 BIP — a roughly even matchup.
    • Sinker (3% usage) projects to .322 xwOBA over 360 BIP — a roughly even matchup.
  4. 4 JA Jose Altuve RHB .298
    Pitch-by-pitch projection vs. Jose Altuve
    • Four-Seam Fastball (47% usage) projects to .324 xwOBA over 479 BIP — a roughly even matchup.
    • Slider (25% usage) projects to .257 xwOBA over 339 BIP — a clear edge for the pitcher.
    • Knuckle Curve (22% usage) projects to .292 xwOBA over 27 BIP — a roughly even matchup.
    • Changeup (3% usage) projects to .268 xwOBA over 172 BIP — a clear edge for the pitcher.
    • Sinker (3% usage) projects to .306 xwOBA over 357 BIP — a roughly even matchup.
  5. 5 CS Cam Smith RHB .315
    Pitch-by-pitch projection vs. Cam Smith
    • Four-Seam Fastball (47% usage) projects to .339 xwOBA over 248 BIP — a roughly even matchup.
    • Slider (25% usage) projects to .286 xwOBA over 149 BIP — a roughly even matchup.
    • Knuckle Curve (22% usage) projects to .301 xwOBA over 14 BIP — a roughly even matchup.
    • Changeup (3% usage) projects to .281 xwOBA over 99 BIP — a roughly even matchup.
    • Sinker (3% usage) projects to .314 xwOBA over 257 BIP — a roughly even matchup.
  6. 6 JP Jeremy Peña RHB .328
    Pitch-by-pitch projection vs. Jeremy Peña
    • Four-Seam Fastball (47% usage) projects to .375 xwOBA over 373 BIP — a meaningful edge for the batter.
    • Slider (25% usage) projects to .266 xwOBA over 310 BIP — a clear edge for the pitcher.
    • Knuckle Curve (22% usage) projects to .306 xwOBA over 13 BIP — a roughly even matchup.
    • Changeup (3% usage) projects to .266 xwOBA over 143 BIP — a clear edge for the pitcher.
    • Sinker (3% usage) projects to .328 xwOBA over 343 BIP — a roughly even matchup.
  7. 7 YD Yainer Diaz RHB .324
    Pitch-by-pitch projection vs. Yainer Diaz
    • Four-Seam Fastball (47% usage) projects to .353 xwOBA over 318 BIP — a meaningful edge for the batter.
    • Slider (25% usage) projects to .313 xwOBA over 287 BIP — a roughly even matchup.
    • Knuckle Curve (22% usage) projects to .277 xwOBA over 18 BIP — a clear edge for the pitcher.
    • Changeup (3% usage) projects to .288 xwOBA over 178 BIP — a roughly even matchup.
    • Sinker (3% usage) projects to .332 xwOBA over 269 BIP — a roughly even matchup.
  8. 8 TT Taylor Trammell LHB .293
    Pitch-by-pitch projection vs. Taylor Trammell
    • Four-Seam Fastball (47% usage) projects to .301 xwOBA over 159 BIP — a roughly even matchup.
    • Slider (25% usage) projects to .272 xwOBA over 41 BIP — a clear edge for the pitcher.
    • Knuckle Curve (22% usage) projects to .298 xwOBA over 6 BIP — a roughly even matchup.
    • Changeup (3% usage) projects to .269 xwOBA over 58 BIP — a clear edge for the pitcher.
    • Sinker (3% usage) projects to .325 xwOBA over 40 BIP — a roughly even matchup.
  9. 9 CV Christian Vázquez RHB .290
    Pitch-by-pitch projection vs. Christian Vázquez
    • Four-Seam Fastball (47% usage) projects to .294 xwOBA over 276 BIP — a roughly even matchup.
    • Slider (25% usage) projects to .266 xwOBA over 107 BIP — a clear edge for the pitcher.
    • Knuckle Curve (22% usage) projects to .309 xwOBA over 6 BIP — a roughly even matchup.
    • Changeup (3% usage) projects to .279 xwOBA over 54 BIP — a clear edge for the pitcher.
    • Sinker (3% usage) projects to .285 xwOBA over 134 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.