MLB Daily DeltaWeek 17 · July 18, 2026
Engraved portrait of Yuki Matsui
week 17
this weekSELL-HIGH
last weekNO CALL

Yuki Matsui

SD·P
data as of July 18, 2026·week 17
new call as of July 18, 2026
Sell High BABIP-against 0.231 suppressed and unstable, flattering the ERA; luck-free xERA 4.07 is 1.34 above the ERA, regression coming; sell into the hype before regression.high 0.95
ROSK 25ERA 3.70WHIP 1.24W 0–0SV 0

Matsui is a sell-high — ERA is smoke and mirrors.

His ERA sits at 2.73, but it is built on an unstable foundation. His BABIP-against is a suppressed .231 — 64 points below the .295 league average — and BABIP-against needs around 800 balls in play to be reliable. He has 83. That gap is luck, not skill. His expected ERA is 4.07, more than a full run higher, pointing directly at regression. The underlying stuff is okay — decent strikeout and swing-and-miss rates — but the surface ERA is not sustainable. Limited data: this call rests on the first stable sample of the season, and the luck stat is the whole story. Sell high. 25 K, 0-0 W, 0 SV with 3.70/1.24 is a deep-league trade window into regression.

VS His Norm

  • Strikeout %24.8%—−0.2% ▼vs his ~25.0% career norm

Drivers

  • babip_againstNOISEBABIP-against 0.231 suppressed and unstable — flattering the ERA
  • xeraNOISEluck-free xERA 4.07 is 1.34 above the ERA — regression coming
metric · nowrolling trajectoryvs. leaguestabilized?
Hard-Hit % Allowed33.7%
believable since Jun 1733.7%*
lg avg 40.0% ▼−6.3%vs his norm —
83 / 50 BBE
Barrel % Allowed10.8%
10.8%*
lg avg 8.0% ▲+2.8%vs his norm —
83 / 60 BBE
xwOBA Allowed.313
.313*
lg avg .315 ▼−.002vs his norm —xwOBA Allowed is below the ~.315 league average — expect it to rise.
141 / 200 TBF
xERA4.07
4.07*
lg avg 4.10 ▼−0.03vs his norm —xERA is below the ~4.10 league average — expect it to rise.
141 / 200 TBF
ERA2.73
2.73*
lg avg 4.10 ▼−1.37vs his norm —ERA is below the ~4.10 league average — expect it to rise.
33 / 200 IP
Strikeout %24.8%
norm24.8%*
lg avg 22.0% ▲+2.8%vs his norm −0.2% ▼
141 / 70 TBF
Walk %14.9%
norm14.9%*
lg avg 8.0% ▲+6.9%vs his norm +3.3% ▲Walk % is above his ~11.6% norm — expect it to fall.
141 / 170 TBF
BABIP Against.231
.231*
lg avg .295 ▼−.064vs his norm —BABIP Against is below the ~.295 league average — expect it to rise.
83 / 800 BIP
Swinging-Strike %17.7%
17.7%*
lg avg 11.0% ▲+6.7%vs his norm —
141 / 60 TBF
Chase %30.2%
30.2%*
lg avg 28.5% ▲+1.7%vs his norm —
141 / 60 TBF
Fastball Velo91.9 mph
91.9 mph*
lg avg 94.0 mph ▼−2.1 mphvs his norm —
554 / 50 PITCHES

5×5 ROS Outlook

rest of season

Where each category goes the rest of the way, and the skill that drives it. Tap a row to expand the full derivation.

statytdrosdriverconf
K% 24.8%→24.9%signal25 K — K% 24.8% (signal) held to career ~25.0% → projected 24.9% over ~25 remaining IP.
xERA 4.07noise3.70 ERA — xERA 4.07 (noise) blended 0% skill / 100% league 3.70 at 15 IP.
BB% 14.9% + contactnoise1.24 WHIP — a 15% walk rate plus BABIP-against 0.288 gives a 1.57 skill WHIP, blended 0…
run support + role0-0 W — wins ride run support and how deep he goes, not just skill.
role (middle)0 SV — role: middle, not in the save mix.
rosterdeep3.70 ERA, 1.24 WHIP

Every projection traces to a sabermetric input. The driver and confidence shown per row are always visible; tap any row to expand the full derivation.

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