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

José Buttó

SF·P
data as of September 27, 2026·week 27
ON THE 60-DAY IL
No Call Yet sample too small to call.low 0.00

Not enough sample yet

16 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 % Allowed42.9%
    42.9%*
    lg avg 40.0% ▲+2.9%vs his norm —Hard-Hit % Allowed is above the ~40.0% league average — expect it to fall.
    7 / 50 BBE
    Barrel % Allowed14.3%
    14.3%*
    lg avg 8.0% ▲+6.3%vs his norm —Barrel % Allowed is above the ~8.0% league average — expect it to fall.
    7 / 60 BBE
    xwOBA Allowed.494
    .494*
    lg avg .315 ▲+.179vs his norm —xwOBA Allowed is above the ~.315 league average — expect it to fall.
    16 / 200 TBF
    xERA13.00
    13.00*
    lg avg 4.10 ▲+8.90vs his norm —xERA is above the ~4.10 league average — expect it to fall.
    16 / 200 TBF
    ERA22.50
    22.50*
    lg avg 4.10 ▲+18.40vs his norm —ERA is above the ~4.10 league average — expect it to fall.
    2 / 200 IP
    Strikeout %31.3%
    norm31.3%*
    lg avg 22.0% ▲+9.3%vs his norm +8.1% ▲Strikeout % is above his ~23.2% norm — expect it to fall.
    16 / 70 TBF
    Walk %25.0%
    norm25.0%*
    lg avg 8.0% ▲+17.0%vs his norm +12.6% ▲Walk % is above his ~12.4% norm — expect it to fall.
    16 / 170 TBF
    BABIP Against.800
    .800*
    lg avg .295 ▲+.505vs his norm —BABIP Against is above the ~.295 league average — expect it to fall.
    7 / 800 BIP
    Swinging-Strike %14.3%
    14.3%*
    lg avg 11.0% ▲+3.3%vs his norm —Swinging-Strike % is above the ~11.0% league average — expect it to fall.
    16 / 60 TBF
    Chase %25.0%
    25.0%*
    lg avg 28.5% ▼−3.5%vs his norm —Chase % is below the ~28.5% league average — expect it to rise.
    16 / 60 TBF
    Fastball Velo94.1 mph
    94.1 mph*
    lg avg 94.0 mph ▲+0.1 mphvs his norm —
    63 / 50 PITCHES

    5×5 ROS Outlook

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

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