MLB Daily DeltaWeek 17 · July 18, 2026
week 17
this weekNO CALL
last weekNO CALL

William Kempner

data as of July 18, 2026·week 17
ON THE 15-DAY IL
No Call Yet sample too small to call.low 0.00

Not enough sample yet

50 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 % Allowed23.3%
    23.3%*
    lg avg 40.0% −16.7%vs his norm —Hard-Hit % Allowed is below the ~40.0% league averageexpect it to rise.
    30 / 50 BBE
    Barrel % Allowed3.3%
    3.3%*
    lg avg 8.0% −4.7%vs his norm —Barrel % Allowed is below the ~8.0% league averageexpect it to rise.
    30 / 60 BBE
    xwOBA Allowed.306
    .306*
    lg avg .315 −.009vs his norm —xwOBA Allowed is below the ~.315 league averageexpect it to rise.
    50 / 200 TBF
    xERA3.88
    3.88*
    lg avg 4.10 −0.22vs his norm —xERA is below the ~4.10 league averageexpect it to rise.
    50 / 200 TBF
    ERA2.92
    2.92*
    lg avg 4.10 −1.18vs his norm —ERA is below the ~4.10 league averageexpect it to rise.
    12.3 / 200 IP
    Strikeout %28.0%
    28.0%*
    lg avg 22.0% +6.0%vs his norm —Strikeout % is above the ~22.0% league averageexpect it to fall.
    50 / 70 TBF
    Walk %8.0%
    8.0%*
    lg avg 8.0% 0.0%vs his norm —Walk % is below the ~8.0% league averageexpect it to rise.
    50 / 170 TBF
    BABIP Against.241
    .241*
    lg avg .295 −.054vs his norm —BABIP Against is below the ~.295 league averageexpect it to rise.
    30 / 800 BIP
    Swinging-Strike %15.6%
    15.6%*
    lg avg 11.0% +4.6%vs his norm —Swinging-Strike % is above the ~11.0% league averageexpect it to fall.
    50 / 60 TBF
    Chase %30.0%
    30.0%*
    lg avg 28.5% +1.5%vs his norm —Chase % is above the ~28.5% league averageexpect it to fall.
    50 / 60 TBF
    Fastball Velo95.5 mph
    95.5 mph*
    lg avg 94.0 mph +1.5 mphvs his norm —
    199 / 50 PITCHES

    5×5 ROS Outlook

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

    Tweet
    Compare with