How Duke Esper's ERA Compares to Similar Players
Duke Esper posted a career ERA of 4.39, above the relief pitcher average of 3.96 — a level that fell short of typical league production. His strongest ERA season came in 1891, posting 3.56, near the relief pitcher average of 3.4 that year. The highest point came in 1898 at 5.98, well above the relief pitcher average of 3.49 that year, a partial season. Production slipped through the final seasons. The figure moved from 3.58 in 1896 to 5.28 in 1897 and 5.98 in 1898. The decline marked the closing chapter of the career. Some season-to-season variance runs through the career line, but the career average fell below league norms across 9 seasons.
Duke Esper Lifetime ERA and Similar Stats
Stats similar to ERA for Duke Esper
| Duke Esper
ERA | Duke Esper
Component ERA | Duke Esper
Defense Independent ERA |
|---|
| Career | 4.39 | 4.55 | 4.04 |
| Season Avg. | 4.39 | 4.55 | 4.04 |
| 162 Game Avg. | 4.39 | 4.55 | 4.04 |
| More Info | See More | See More | See More |
Duke Esper ERA Per Season
Duke Esper'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.
Duke Esper ERA by Team
Duke Esper's career ERA totals broken down by each team he played for, ordered by when he first joined that team.
Duke Esper ERA Year-Over-Year Change
A waterfall chart tracking how Duke Esper'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.
Duke Esper ERA Distribution vs. Comparable Players
Each box summarizes Duke Esper'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.
Duke Esper ERA — Season-by-Season Breakdown
Every season of Duke Esper'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.
