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Jack Postma

Barrington High School (IL) 2028

Hometown: Barrington, IL

Birthdate:

Height/Weight: 6' 5'' / 220 lbs.

Bats/Throws: /

Position(s): RHP / 1B

GPA:

SAT:

ACT:

Email:

Phone:

College Commitment: University of Texas - Austin

High School: Barrington High School (IL) 2028

College:

Region: MIDWEST

X: JackPostma44

Instagram: Jack_Postma40

VIDEOS

  • On the mound today at the Underclass @AreaCodeBSB Games.
    08-02-2026
  • Comes out of the pen with no outs and strikes out the side only needing the FB. Good ride from a low release height on display here at the Underclass @AreaCodeBSB Games.
    08-02-2026

Fivetool Verified

ADVANCED PITCHING METRICS
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ADVANCED HITTING METRICS
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THE NEWS

The Top 55 Players from Area Code Underclass
 We've gone through our written notes from Blair Field, taken second looks at our video and filed the reports. Here are our top 55 players from Underclass Area Code Games.
Aiden Choo, Anderson Kaufmann, Andres Armenta, Arnold Ohanian, Benjamin Terry, Brandon Williams, Brody McCorkle, Canyon Koonce, Carson Steingall, Carter Unger, Carver Cohn, Chase Cotton, Christopher Woodson, CJ Estrella, Collin McGowan, Colton Fitzgibbon, Cooper DeWaal, Cooper Holland, Dru Wilson, Evan Ogwezi, Francis Conners-Schmid, Gabriel Coupet, Gavin Chakar, Hank Drew, Isaiah Cador, Jack Postma, Jackson Salmieri, Jake Welch, Jakob Groeschel, James Fenton, Jaxxon Tweedt, Jeremiah Hall, Jude Huff, Kai Watanabe, Landon King, Luke Esquivel, Mattias Di Maggio, Mikey Batiste, Noah Knudson, Nolan Slaymaker, Owen Lenzen, Paris Head, Parker Klug, Parker Wells, Richie Reiffenberger, Rylan Jenkins, Terrell Hampton-Hall, Theo Swafford, Thomas Driver, Tommy Devany, Travis Fiedler, Tristan Blalock, Ty Madden, Ty Pohl, Tyce Johnson

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