Mason James Miller

Professional Baseball Pitcher

American Pittsburgh, PA

Quick Info

ProfessionProfessional Baseball Pitcher
NationalityAmerican
Date of Birth24/08/1998
Age28 years
BirthplacePittsburgh, PA

Latest News about Mason James Miller

14/07/2026

Miller appeared in the 2026 MLB All-Star Game and struck out the only batter he faced. The appearance added to his career All-Star résumé after his first selection in 2024.

04/07/2026

Mason Miller was named the San Diego Padres' lone representative for the 2026 MLB All-Star Game. At the time of the selection, he had been one of the best relievers in baseball, posting a 0.78 ERA and tying for the National League lead with 21 saves.

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Bio/Wiki

Mason James Miller, nicknamed 'The Reaper', is an American professional baseball pitcher known for his exceptional velocity and dominance as a relief pitcher in Major League Baseball (MLB).

Physical Stats & More

Height6'5"
Weight200 lbs

Family

Married to Jordan Miller

Career

MLB Debut2023
Teams
  • Oakland Athletics
  • San Diego Padres
Achievements
  • All-Star (2024)
  • MLB Reliever of the Month (April 2024)
  • Rookie Saves Record (28, 2024)
  • Drafted 2021 MLB Round 3 by Oakland Athletics
  • All-MLB Second Team (2024)
  • 4th in AL Rookie of the Year voting (2024)
  • All-Star (2026)
  • All-MLB Team (2026)

Some Lesser Known Facts

1. Threw the fastest pitch in Oakland Coliseum history (103.8 MPH)
2. 10th starting pitcher since Statcast debut to throw 15 pitches over 100 MPH
3. Last pitcher to throw at Oakland Coliseum in MLB game (September 26, 2024)
4. Threw the fastest pitch in All-Star Game history (103.6 MPH fastball to Trea Turner, 2024)
5. Pitched an immaculate inning on September 3, 2025 versus the Baltimore Orioles
6. Nicknamed 'The Reaper' due to his ability to 'reap' batters with high velocity
7. Transitioned from Division III college baseball to becoming an MLB All-Star
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