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Jamie Arnold

Jamie Arnold #75

  • P
  • B/T: L/L
  • 6' 1"/188
  • Age: 21

2026 Spring Training

G W-L ERA IP SO WHIP
2 0-0 3.00 3.0 4 1.67

Jamie Arnold Bio

  • Fullname: James Arnold
  • Born: 3/21/2004 in Tampa, FL
  • Draft: 2025, Athletics, Round: 1, Overall Pick: 11
  • College: Florida State
James Arnold
James Charles Arnold was originally signed by A's scout Jemel Spearman…graduated from Jesuit (Tampa, Fla.) High School and helped lead his school to the 5A State Championship as a senior…attended Florida State where he earned First Team All-America honors in both 2024 and 2025…went 21-10 with a save and a 3.61 ERA in 58 games, including 41 starts, in three seasons with the Seminoles…struck out 327 batters in 234.1 innings, an average of 12.56 per nine innings.

2025

Was the A's first round selection and the 11th pick overall in the First-Year Player Draft…signed on July 23 but did not pitch...Was rated as the A's No. 2 prospect by MLB.com following the season and No. 38 overall.
Year W L ERA G GS SV IP SO WHIP
2026 Spring Training 0 0 3.00 2 0 0 3.0 4 1.67
  • Status: Non-Roster Invitee
  • Next ATH Game: 03-11 @ AZ

News

2/27/2026 at 7:34 PM 2/27/2026 at 7:34 PM

A's prospect Arnold dons uniform for 1st time in scoreless spring outing
2/26/2026 at 4:23 PM 2/26/2026 at 4:23 PM

There's a Kurtz-ian glow around lefty prospect Arnold at A's camp 
1/23/2026 at 9:16 PM 1/23/2026 at 9:16 PM

De Vries (No. 4 overall) leads Athletics trio on Top 100 Prospects list
1/09/2026 at 4:42 PM 1/09/2026 at 4:42 PM

Top Prospects: Jamie Arnold, LHP, Athletics
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