PITCHER MATCHUP

Janson Junk vs Houston Astros

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

Janson Junk's arsenal

Throws RHPvs LHH xwOBA .340vs RHH xwOBA .294Seasons 2026–2025–2024
Four-Seam Fastball 36%Slider 25%Sweeper 14%Changeup 13%Curveball 10%Sinker 2%

How the Houston Astros's regulars project

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

Lineup avg xwOBA .313
  1. 1 CW Christian Walker RHB .300
    Pitch-by-pitch projection vs. Christian Walker
    • Four-Seam Fastball (36% usage) projects to .325 xwOBA over 441 BIP — a roughly even matchup.
    • Slider (25% usage) projects to .292 xwOBA over 251 BIP — a roughly even matchup.
    • Sweeper (14% usage) projects to .288 xwOBA over 125 BIP — a roughly even matchup.
    • Changeup (13% usage) projects to .304 xwOBA over 160 BIP — a roughly even matchup.
    • Curveball (10% usage) projects to .240 xwOBA over 104 BIP — a clear edge for the pitcher.
  2. 2 YA Yordan Alvarez SH .397
    Pitch-by-pitch projection vs. Yordan Alvarez
    • Four-Seam Fastball (36% usage) projects to .407 xwOBA over 373 BIP — a meaningful edge for the batter.
    • Slider (25% usage) projects to .400 xwOBA over 164 BIP — a meaningful edge for the batter.
    • Sweeper (14% usage) projects to .342 xwOBA over 75 BIP — a meaningful edge for the batter.
    • Changeup (13% usage) projects to .396 xwOBA over 128 BIP — a meaningful edge for the batter.
    • Curveball (10% usage) projects to .434 xwOBA over 86 BIP — a meaningful edge for the batter.
  3. 3 IP Isaac Paredes RHB .295
    Pitch-by-pitch projection vs. Isaac Paredes
    • Four-Seam Fastball (36% usage) projects to .333 xwOBA over 433 BIP — a roughly even matchup.
    • Slider (25% usage) projects to .268 xwOBA over 206 BIP — a clear edge for the pitcher.
    • Sweeper (14% usage) projects to .277 xwOBA over 113 BIP — a clear edge for the pitcher.
    • Changeup (13% usage) projects to .287 xwOBA over 145 BIP — a roughly even matchup.
    • Curveball (10% usage) projects to .259 xwOBA over 88 BIP — a clear edge for the pitcher.
  4. 4 CS Cam Smith RHB .316
    Pitch-by-pitch projection vs. Cam Smith
    • Four-Seam Fastball (36% usage) projects to .346 xwOBA over 211 BIP — a meaningful edge for the batter.
    • Slider (25% usage) projects to .294 xwOBA over 134 BIP — a roughly even matchup.
    • Sweeper (14% usage) projects to .268 xwOBA over 76 BIP — a clear edge for the pitcher.
    • Changeup (13% usage) projects to .316 xwOBA over 78 BIP — a roughly even matchup.
    • Curveball (10% usage) projects to .333 xwOBA over 40 BIP — a roughly even matchup.
  5. 5 JA Jose Altuve RHB .297
    Pitch-by-pitch projection vs. Jose Altuve
    • Four-Seam Fastball (36% usage) projects to .332 xwOBA over 426 BIP — a roughly even matchup.
    • Slider (25% usage) projects to .281 xwOBA over 310 BIP — a roughly even matchup.
    • Sweeper (14% usage) projects to .270 xwOBA over 157 BIP — a clear edge for the pitcher.
    • Changeup (13% usage) projects to .261 xwOBA over 159 BIP — a clear edge for the pitcher.
    • Curveball (10% usage) projects to .301 xwOBA over 77 BIP — a roughly even matchup.
  6. 6 JP Jeremy Peña RHB .326
    Pitch-by-pitch projection vs. Jeremy Peña
    • Four-Seam Fastball (36% usage) projects to .392 xwOBA over 321 BIP — a meaningful edge for the batter.
    • Slider (25% usage) projects to .274 xwOBA over 277 BIP — a clear edge for the pitcher.
    • Sweeper (14% usage) projects to .293 xwOBA over 134 BIP — a roughly even matchup.
    • Changeup (13% usage) projects to .303 xwOBA over 122 BIP — a roughly even matchup.
    • Curveball (10% usage) projects to .292 xwOBA over 64 BIP — a roughly even matchup.
  7. 7 CV Christian Vázquez RHB .271
    Pitch-by-pitch projection vs. Christian Vázquez
    • Four-Seam Fastball (36% usage) projects to .268 xwOBA over 262 BIP — a clear edge for the pitcher.
    • Slider (25% usage) projects to .271 xwOBA over 105 BIP — a clear edge for the pitcher.
    • Sweeper (14% usage) projects to .272 xwOBA over 50 BIP — a clear edge for the pitcher.
    • Changeup (13% usage) projects to .268 xwOBA over 51 BIP — a clear edge for the pitcher.
    • Curveball (10% usage) projects to .284 xwOBA over 38 BIP — a roughly even matchup.
  8. 8 YD Yainer Diaz RHB .322
    Pitch-by-pitch projection vs. Yainer Diaz
    • Four-Seam Fastball (36% usage) projects to .346 xwOBA over 290 BIP — a meaningful edge for the batter.
    • Slider (25% usage) projects to .347 xwOBA over 264 BIP — a meaningful edge for the batter.
    • Sweeper (14% usage) projects to .272 xwOBA over 146 BIP — a clear edge for the pitcher.
    • Changeup (13% usage) projects to .291 xwOBA over 151 BIP — a roughly even matchup.
    • Curveball (10% usage) projects to .284 xwOBA over 95 BIP — a roughly even matchup.
  9. 9 TT Taylor Trammell LHB .293
    Pitch-by-pitch projection vs. Taylor Trammell
    • Four-Seam Fastball (36% usage) projects to .308 xwOBA over 121 BIP — a roughly even matchup.
    • Slider (25% usage) projects to .281 xwOBA over 33 BIP — a roughly even matchup.
    • Sweeper (14% usage) projects to .275 xwOBA over 14 BIP — a clear edge for the pitcher.
    • Changeup (13% usage) projects to .299 xwOBA over 30 BIP — a roughly even matchup.
    • Curveball (10% usage) projects to .290 xwOBA over 13 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.