PITCHER MATCHUP

Mason Barnett vs Kansas City Royals

How the Kansas City Royals's current regulars (top 9 by at-bats) project against Mason Barnett's season-to-date arsenal — not the posted lineup for any single game.

Mason Barnett's arsenal

Throws RHPvs LHH xwOBA .312vs RHH xwOBA .349Seasons 2026–2025
Four-Seam Fastball 49%Sweeper 18%Slider 13%Curveball 12%Changeup 7%Unknown 1%

How the Kansas City Royals's regulars project

Projected expected wOBA for each of the Kansas City Royals's top-9-by-AB hitters against Mason Barnett, by batting order. A season-to-date read — lower favors the pitcher.

Lineup avg xwOBA .312
  1. 1 SP Salvador Perez RHB .321
    Pitch-by-pitch projection vs. Salvador Perez
    • Four-Seam Fastball (49% usage) projects to .352 xwOBA over 449 BIP — a meaningful edge for the batter.
    • Sweeper (18% usage) projects to .281 xwOBA over 206 BIP — a roughly even matchup.
    • Slider (13% usage) projects to .305 xwOBA over 280 BIP — a roughly even matchup.
    • Curveball (12% usage) projects to .300 xwOBA over 108 BIP — a roughly even matchup.
    • Changeup (7% usage) projects to .273 xwOBA over 175 BIP — a clear edge for the pitcher.
  2. 2 JC Jac Caglianone LHB .343
    Pitch-by-pitch projection vs. Jac Caglianone
    • Four-Seam Fastball (49% usage) projects to .346 xwOBA over 171 BIP — a meaningful edge for the batter.
    • Sweeper (18% usage) projects to .333 xwOBA over 58 BIP — a roughly even matchup.
    • Slider (13% usage) projects to .410 xwOBA over 86 BIP — a meaningful edge for the batter.
    • Curveball (12% usage) projects to .306 xwOBA over 46 BIP — a roughly even matchup.
    • Changeup (7% usage) projects to .286 xwOBA over 88 BIP — a roughly even matchup.
  3. 3 BW Bobby Witt Jr. RHB .348
    Pitch-by-pitch projection vs. Bobby Witt Jr.
    • Four-Seam Fastball (49% usage) projects to .364 xwOBA over 479 BIP — a meaningful edge for the batter.
    • Sweeper (18% usage) projects to .317 xwOBA over 172 BIP — a roughly even matchup.
    • Slider (13% usage) projects to .339 xwOBA over 309 BIP — a roughly even matchup.
    • Curveball (12% usage) projects to .340 xwOBA over 94 BIP — a meaningful edge for the batter.
    • Changeup (7% usage) projects to .350 xwOBA over 190 BIP — a meaningful edge for the batter.
  4. 4 CJ Carter Jensen LHB .300
    Pitch-by-pitch projection vs. Carter Jensen
    • Four-Seam Fastball (49% usage) projects to .302 xwOBA over 147 BIP — a roughly even matchup.
    • Sweeper (18% usage) projects to .290 xwOBA over 48 BIP — a roughly even matchup.
    • Slider (13% usage) projects to .292 xwOBA over 83 BIP — a roughly even matchup.
    • Curveball (12% usage) projects to .320 xwOBA over 29 BIP — a roughly even matchup.
    • Changeup (7% usage) projects to .298 xwOBA over 50 BIP — a roughly even matchup.
  5. 5 IC Isaac Collins SH .316
    Pitch-by-pitch projection vs. Isaac Collins
    • Four-Seam Fastball (49% usage) projects to .326 xwOBA over 373 BIP — a roughly even matchup.
    • Sweeper (18% usage) projects to .337 xwOBA over 36 BIP — a roughly even matchup.
    • Slider (13% usage) projects to .313 xwOBA over 62 BIP — a roughly even matchup.
    • Curveball (12% usage) projects to .289 xwOBA over 43 BIP — a roughly even matchup.
    • Changeup (7% usage) projects to .248 xwOBA over 98 BIP — a clear edge for the pitcher.
  6. 6 MM Michael Massey LHB .287
    Pitch-by-pitch projection vs. Michael Massey
    • Four-Seam Fastball (49% usage) projects to .269 xwOBA over 338 BIP — a clear edge for the pitcher.
    • Sweeper (18% usage) projects to .295 xwOBA over 58 BIP — a roughly even matchup.
    • Slider (13% usage) projects to .312 xwOBA over 101 BIP — a roughly even matchup.
    • Curveball (12% usage) projects to .333 xwOBA over 40 BIP — a roughly even matchup.
    • Changeup (7% usage) projects to .271 xwOBA over 157 BIP — a clear edge for the pitcher.
  7. 7 NL Nick Loftin RHB .300
    Pitch-by-pitch projection vs. Nick Loftin
    • Four-Seam Fastball (49% usage) projects to .314 xwOBA over 210 BIP — a roughly even matchup.
    • Sweeper (18% usage) projects to .269 xwOBA over 53 BIP — a clear edge for the pitcher.
    • Slider (13% usage) projects to .298 xwOBA over 92 BIP — a roughly even matchup.
    • Curveball (12% usage) projects to .308 xwOBA over 24 BIP — a roughly even matchup.
    • Changeup (7% usage) projects to .274 xwOBA over 54 BIP — a clear edge for the pitcher.
  8. 8 KI Kyle Isbel LHB .286
    Pitch-by-pitch projection vs. Kyle Isbel
    • Four-Seam Fastball (49% usage) projects to .297 xwOBA over 332 BIP — a roughly even matchup.
    • Sweeper (18% usage) projects to .263 xwOBA over 66 BIP — a clear edge for the pitcher.
    • Slider (13% usage) projects to .283 xwOBA over 103 BIP — a roughly even matchup.
    • Curveball (12% usage) projects to .283 xwOBA over 78 BIP — a roughly even matchup.
    • Changeup (7% usage) projects to .273 xwOBA over 133 BIP — a clear edge for the pitcher.
  9. 9 SM Starling Marte RHB .311
    Pitch-by-pitch projection vs. Starling Marte
    • Four-Seam Fastball (49% usage) projects to .311 xwOBA over 232 BIP — a roughly even matchup.
    • Sweeper (18% usage) projects to .316 xwOBA over 61 BIP — a roughly even matchup.
    • Slider (13% usage) projects to .289 xwOBA over 148 BIP — a roughly even matchup.
    • Curveball (12% usage) projects to .317 xwOBA over 64 BIP — a roughly even matchup.
    • Changeup (7% usage) projects to .330 xwOBA over 84 BIP — a roughly even matchup.
Full pitch-by-pitch breakdown, with pitch-zone heatmaps →

Next scheduled meeting: 2026-08-17 game page →