How Aaron Bummer's ERA Compares to Similar Players

Aaron Bummer has posted a career ERA of 3.8, near the relief pitcher average of 3.96 — a profile that tracks closely with league norms. His strongest ERA season came in 2019, posting 2.13, well below the relief pitcher average of 4.45 that year. The highest point came in 2023 at 6.79, well above the relief pitcher average of 4.06 that year. The ERA has trended upward over recent seasons. The figure has moved from 6.79 in 2023 to 3.58 in 2024 and 3.81 in 2025. The upward arc suggests continued forward momentum heading into 2026. Significant season-to-season variance characterizes the ERA profile — ranging from 2.13 to 6.79 — though the career average has tracked near league norms.

Aaron Bummer Lifetime ERA and Similar Stats

Stats similar to ERA for Aaron Bummer
Aaron Bummer
ERA
Aaron Bummer
Component ERA
Aaron Bummer
Defense Independent ERA
Career3.83.513.05
Season Avg.3.83.513.05
162 Game Avg.3.83.513.05
More InfoSee MoreSee MoreSee More

Aaron Bummer ERA Per Season

Aaron Bummer's ERA for each season of his MLB career, plotted against that year's league average. Switch between comparisons — National League, Hall of Fame, RP, North America, or players born in the same country — to see how he stacked up year by year.
Aaron Bummer ERA per season line chart

Aaron Bummer ERA by Team

Aaron Bummer's career ERA totals broken down by each team he played for, ordered by when he first joined that team.
Aaron Bummer career ERA by team bar chart

Aaron Bummer ERA Year-Over-Year Change

A waterfall chart tracking how Aaron Bummer's career ERA shifted from season to season. Each bar represents the change added to his career total that year, making peak and decline phases easy to spot.
Aaron Bummer ERA year-over-year waterfall chart

Aaron Bummer ERA Distribution vs. Comparable Players

Each box summarizes Aaron Bummer's seasonal ERA alongside a selected comparison group across all seasons he played. The box covers the middle 50% of seasons, the center line is the median, and the whiskers extend to the min and max. A tighter box means more consistency; a higher median means more output. Use the selector to switch comparison groups.
Aaron Bummer ERA distribution box chart versus comparable players

Aaron Bummer ERA — Season-by-Season Breakdown

Every season of Aaron Bummer's MLB career with ERA alongside league, Hall of Fame, positional, birth region, and country-of-birth averages for that year. Career totals include sum, average, min, max, and median.

Note: A dash (—) means no qualifying players existed in that comparison group for that season. Most commonly this happens for the Hall of Fame group.
Aaron Bummer ERA season-by-season breakdown table