Nathan Dettmer

Nathan Dettmer's 2026 season

Nathan Dettmer spent 2026 in the Athletics system, pitching in 27 games (22 starts) between Single-A Stockton, High-A Lansing, Double-A Midland and Triple-A Las Vegas. The right-hander threw 120⅓ innings with a 4.86 ERA, striking out 114 (22.3 percent of batters) and walking 33 (6.5 percent).

Dettmer opened with Stockton and posted a 2.96 ERA in 27⅓ innings before his promotion to High-A Lansing on May 10. He moved up again, to Double-A Midland, on July 21. He moved up again, to Triple-A Las Vegas, on September 15. He reached Triple-A at 24, nearly three years younger than the average Pacific Coast League pitcher, and posted a 2.08 ERA in 4⅓ innings there.