How Brett Marshall's ERA Compares to Similar Players
Brett Marshall posted a career ERA of 4.5, above the relief pitcher average of 3.96 — a level that fell short of typical league production. Across 1 season, the ERA arc showed a disappointing start, with limited data making longer-term conclusions premature. With 1 season 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 fell below league norms across 1 season.
Brett Marshall Lifetime ERA and Similar Stats
Stats similar to ERA for Brett Marshall
| Brett Marshall
ERA | Brett Marshall
Component ERA | Brett Marshall
Defense Independent ERA |
|---|
| Career | 4.5 | 7.12 | 7.08 |
| Season Avg. | 4.5 | 7.12 | 7.08 |
| 162 Game Avg. | 4.5 | 7.12 | 7.08 |
| More Info | See More | See More | See More |
Brett Marshall ERA Per Season
Brett Marshall'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.
Brett Marshall ERA by Team
Brett Marshall's career ERA totals broken down by each team he played for, ordered by when he first joined that team.
Brett Marshall ERA Year-Over-Year Change
A waterfall chart tracking how Brett Marshall'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.
Brett Marshall ERA Distribution vs. Comparable Players
Each box summarizes Brett Marshall'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.
Brett Marshall ERA — Season-by-Season Breakdown
Every season of Brett Marshall'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.
