How Zac Gallen's ERA Compares to Similar Players

Zac Gallen has posted a career ERA of 3.58, near the starting pitcher average of 3.87 — a profile that tracks closely with league norms. His strongest ERA season came in 2022, posting 2.54, well below the starting pitcher average of 3.98 that year. The highest point came in 2025 at 4.83, above the starting pitcher average of 4.16 that year. Production has slipped over the most recent seasons. The figure has moved from 3.47 in 2023 to 3.65 in 2024 and 4.83 in 2025. The slide has continued into 2025, with the production level an open question entering 2026. Some season-to-season variance runs through the career line, but the career average has tracked near league norms across 6 seasons.

Zac Gallen Lifetime ERA and Similar Stats

Stats similar to ERA for Zac Gallen
Zac Gallen
ERA
Zac Gallen
Component ERA
Zac Gallen
Defense Independent ERA
Career3.583.143.48
Season Avg.3.583.143.48
162 Game Avg.3.583.143.48
More InfoSee MoreSee MoreSee More

Zac Gallen ERA Per Season

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

Zac Gallen ERA by Team

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

Zac Gallen ERA Year-Over-Year Change

A waterfall chart tracking how Zac Gallen'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.
Zac Gallen ERA year-over-year waterfall chart

Zac Gallen ERA Distribution vs. Comparable Players

Each box summarizes Zac Gallen'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.
Zac Gallen ERA distribution box chart versus comparable players

Zac Gallen ERA — Season-by-Season Breakdown

Every season of Zac Gallen'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.
Zac Gallen ERA season-by-season breakdown table