How Sean Gallagher's ERA Compares to Similar Players

Sean Gallagher posted a career ERA of 5.64, well above the starting pitcher average of 3.87 — production that significantly underperformed against league baselines. Across 4 seasons, the ERA arc showed a disappointing start, with limited data making longer-term conclusions premature. With 4 seasons of data, the ERA arc was below league norms — too limited for reliable trend analysis. Some season-to-season variance runs through the career line, but the career average remained well below league norms across 4 seasons.

Sean Gallagher Lifetime ERA and Similar Stats

Stats similar to ERA for Sean Gallagher
Sean Gallagher
ERA
Sean Gallagher
Component ERA
Sean Gallagher
Defense Independent ERA
Career5.645.644.87
Season Avg.5.645.644.87
162 Game Avg.5.645.644.87
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Sean Gallagher ERA Per Season

Sean Gallagher'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.
Sean Gallagher ERA per season line chart

Sean Gallagher ERA by Team

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

Sean Gallagher ERA Year-Over-Year Change

A waterfall chart tracking how Sean Gallagher'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.
Sean Gallagher ERA year-over-year waterfall chart

Sean Gallagher ERA Distribution vs. Comparable Players

Each box summarizes Sean Gallagher'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.
Sean Gallagher ERA distribution box chart versus comparable players

Sean Gallagher ERA — Season-by-Season Breakdown

Every season of Sean Gallagher'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.
Sean Gallagher ERA season-by-season breakdown table