MLB Daily DeltaWeek 27 · September 27, 2026
week 27
this weekNO CALL
last weekNO CALL

DJ Herz

WSH·P
data as of September 27, 2026·week 27
No Call Yet sample too small to call.low 0.00

Not enough sample yet

19 TBF so far — check back when contact quality stabilizes (~50 batted balls). The system declines to call this player until at least one metric has cleared its reliability threshold.

Drivers

    metric · nowrolling trajectoryvs. leaguestabilized?
    Hard-Hit % Allowed46.2%
    46.2%*
    lg avg 40.0% ▲+6.2%vs his norm —Hard-Hit % Allowed is above the ~40.0% league average — expect it to fall.
    13 / 50 BBE
    Barrel % Allowed23.1%
    23.1%*
    lg avg 8.0% ▲+15.1%vs his norm —Barrel % Allowed is above the ~8.0% league average — expect it to fall.
    13 / 60 BBE
    xwOBA Allowed.422
    .422*
    lg avg .315 ▲+.107vs his norm —xwOBA Allowed is above the ~.315 league average — expect it to fall.
    19 / 200 TBF
    xERA8.41
    8.41*
    lg avg 4.10 ▲+4.31vs his norm —xERA is above the ~4.10 league average — expect it to fall.
    19 / 200 TBF
    ERA9.00
    9.00*
    lg avg 4.10 ▲+4.90vs his norm —ERA is above the ~4.10 league average — expect it to fall.
    4 / 200 IP
    Strikeout %21.1%
    norm21.1%*
    lg avg 22.0% ▼−0.9%vs his norm −6.3% ▼Strikeout % is below his ~27.4% norm — expect it to rise.
    19 / 70 TBF
    Walk %10.5%
    norm10.5%*
    lg avg 8.0% ▲+2.5%vs his norm +1.0% ▲Walk % is above his ~9.5% norm — expect it to fall.
    19 / 170 TBF
    BABIP Against.333
    .333*
    lg avg .295 ▲+.038vs his norm —BABIP Against is above the ~.295 league average — expect it to fall.
    13 / 800 BIP
    Swinging-Strike %12.7%
    12.7%*
    lg avg 11.0% ▲+1.7%vs his norm —Swinging-Strike % is above the ~11.0% league average — expect it to fall.
    19 / 60 TBF
    Chase %22.6%
    22.6%*
    lg avg 28.5% ▼−5.9%vs his norm —Chase % is below the ~28.5% league average — expect it to rise.
    19 / 60 TBF
    Fastball Velo93.0 mph
    93.0 mph*
    lg avg 94.0 mph ▼−1.0 mphvs his norm —
    63 / 50 PITCHES

    5×5 ROS Outlook

    ROS Outlook — not yet projected (no category has stabilized).

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