MLB Daily DeltaWeek 20 · August 7, 2026
week 20
this weekNO CALL
last week—

Jefry Yan

NYM·P
data as of August 7, 2026·week 20
No Call Yet sample too small to call.low 0.00

Not enough sample yet

6 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 % Allowed66.7%
    66.7%*
    lg avg 40.0% ▲+26.7%vs his norm —Hard-Hit % Allowed is above the ~40.0% league average — expect it to fall.
    3 / 50 BBE
    Barrel % Allowed0.0%
    0.0%*
    lg avg 8.0% ▼−8.0%vs his norm —Barrel % Allowed is below the ~8.0% league average — expect it to rise.
    3 / 60 BBE
    xwOBA Allowed.235
    .235*
    lg avg .315 ▼−.080vs his norm —xwOBA Allowed is below the ~.315 league average — expect it to rise.
    6 / 200 TBF
    xERA2.27
    2.27*
    lg avg 4.10 ▼−1.83vs his norm —xERA is below the ~4.10 league average — expect it to rise.
    6 / 200 TBF
    ERA0.00
    0.00*
    lg avg 4.10 ▼−4.10vs his norm —ERA is below the ~4.10 league average — expect it to rise.
    1 / 200 IP
    Strikeout %33.3%
    33.3%*
    lg avg 22.0% ▲+11.3%vs his norm —Strikeout % is above the ~22.0% league average — expect it to fall.
    6 / 70 TBF
    Walk %16.7%
    16.7%*
    lg avg 8.0% ▲+8.7%vs his norm —Walk % is above the ~8.0% league average — expect it to fall.
    6 / 170 TBF
    BABIP Against.667
    .667*
    lg avg .295 ▲+.372vs his norm —BABIP Against is above the ~.295 league average — expect it to fall.
    3 / 800 BIP
    Swinging-Strike %13.7%
    13.7%*
    lg avg 11.0% ▲+2.6%vs his norm —Swinging-Strike % is above the ~11.0% league average — expect it to fall.
    6 / 60 TBF
    Chase %22.2%
    22.2%*
    lg avg 28.5% ▼−6.3%vs his norm —Chase % is below the ~28.5% league average — expect it to rise.
    6 / 60 TBF
    Fastball Velo99.5 mph
    99.5 mph*
    lg avg 94.0 mph ▲+5.5 mphvs his norm —Fastball Velo is above the ~94.0 mph league average — expect it to fall.
    22 / 50 PITCHES

    5×5 ROS Outlook

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

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