How Zack Britton's ERA Compares to Similar Players

Zack Britton posted a career ERA of 3.13, well below the relief pitcher average of 3.96 — a mark that ranked among the best of his era. His strongest ERA season came in 2016, posting .540, well below the relief pitcher average of 3.91 that year. The highest point came in 2022 at 13.5, well above the relief pitcher average of 3.84 that year, a partial season. Production slipped through the final seasons. The figure moved from 1.91 in 2019 to 5.89 in 2021 and 13.5 in 2022. The decline marked the closing chapter of the career. Significant season-to-season variance characterizes the ERA profile — ranging from .540 to 13.5 — though the career average remained well above league norms.

Zack Britton Lifetime ERA and Similar Stats

Stats similar to ERA for Zack Britton
Zack Britton
ERA
Zack Britton
Component ERA
Zack Britton
Defense Independent ERA
Career3.133.153.42
Season Avg.3.133.153.42
162 Game Avg.3.133.153.42
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Zack Britton ERA Per Season

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

Zack Britton ERA by Team

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

Zack Britton ERA Year-Over-Year Change

A waterfall chart tracking how Zack Britton'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.
Zack Britton ERA year-over-year waterfall chart

Zack Britton ERA Distribution vs. Comparable Players

Each box summarizes Zack Britton'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.
Zack Britton ERA distribution box chart versus comparable players

Zack Britton ERA — Season-by-Season Breakdown

Every season of Zack Britton'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.
Zack Britton ERA season-by-season breakdown table