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William Kempner: Career Pitching


All raw data supplied courtesy of Baseball-Reference.com.
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William Kempner: Personal Data

Name: William Kempner
Full Name: William McCullough Kempner
Pronounced: n/a
Current Team: Miami Marlins
Position: Pitcher
Throws: Right
Height: 6-0
Weight: 222lb
Bats: Right
Date of Birth: 2001-06-18
Birthplace: San Jose, CA us
High School: Valley Christian HS (San Jose, CA)
College: Gonzaga University (Spokane, WA)
Rookie Status: Still Intact through 2026
Service Time: n/a
Free Agency Year: n/a
Contract Status: Not Updated


William Kempner: Career Pitching

Through games of Friday, 15 May 2026.
All results are from true, unadjusted data.

Handedness Key:   + R   * L   # S

(You can also look up the stat definitions.)

— Place your cursor over any column heading to see what it signifies. —

Year Team GS GR IP BFP BA BABIP SA HA PF BBA KA OBA TBA K/W TPP QofP ERA
2026 Marlins 0 1 1.0 3 0.000 0.000 0.000 0.000 --- 0.000 0.333 0.000 0.000 ∞       0 0.00 0.00
Career All 0 1 1.0 3 0.000 0.000 0.000 0.000 --- 0.000 0.333 0.000 0.000 ∞       0 0.00 0.00

For explanations of unconventional stats, see the Baseball Stats Definitions page.



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This page was last modified on Saturday, 16 May 2026, at 5:01 am Pacific Time.