Lowest Career ERA in MLB History: All-Time Leaders
Career
Includes the 2026 season through August 11, 2026
Ed Walsh holds the all-time MLB career ERA record with a 1.82 ERA, ahead of Addie Joss (1.89) and Jim Devlin (1.90).
Rankings cover the top 100 qualifying players (a minimum of 1,000 career innings pitched).
These rankings combine AL/NL and Negro Leagues statistics (1920–1948), which MLB recognized as major league in 2020 — 4 of the 100 players listed here have Negro Leagues seasons counted in their totals.
Career. Click a bar to view the player.
Frequently Asked Questions
- Who has the lowest career ERA (a minimum of 1,000 career innings pitched)?
- Ed Walsh — a 1.82 ERA, among qualifying players (a minimum of 1,000 career innings pitched). Next are Addie Joss (1.89) and Jim Devlin (1.90).
- What was Ed Walsh's career ERA?
- Ed Walsh posted a 1.82 ERA — the lowest mark on this leaderboard.
- Who else ranks in the top 5 for career ERA?
- 1. Ed Walsh (1.82); 2. Addie Joss (1.89); 3. Jim Devlin (1.90); 4. Jack Pfiester (2.02); 5. Smoky Joe Wood (2.03).
- Do these ERA rankings include the Negro Leagues?
- Yes. MLB recognized the Negro Leagues (1920–1948) as major league in 2020, so their statistics are ranked alongside AL/NL records here — 4 of the 100 players listed here have Negro Leagues seasons counted in their totals.