How Big Jeff Pfeffer's ERA Compares to Similar Players
Big Jeff Pfeffer posted a career ERA of 3.3, below the starting pitcher average of 3.87 — production that kept him consistently ahead of most peers. His strongest ERA season came in 1905, posting 2.5, below the starting pitcher average of 2.81 that year. The highest point came in 1908 at 12.6, well above the starting pitcher average of 2.35 that year. The ERA trended upward through the final seasons. The figure moved from 12.6 in 1908 to 3.27 in 1910 and 4.73 in 1911. The upward arc continued through his final campaign. Significant season-to-season variance characterizes the ERA profile — ranging from 2.5 to 12.6 — though the career average remained above league norms.
Big Jeff Pfeffer Lifetime ERA and Similar Stats
Stats similar to ERA for Big Jeff Pfeffer
| Big Jeff Pfeffer
ERA | Big Jeff Pfeffer
Component ERA | Big Jeff Pfeffer
Defense Independent ERA |
|---|
| Career | 3.3 | 3.65 | 3.73 |
| Season Avg. | 3.3 | 3.65 | 3.73 |
| 162 Game Avg. | 3.3 | 3.65 | 3.73 |
| More Info | See More | See More | See More |
Big Jeff Pfeffer ERA Per Season
Big Jeff Pfeffer'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.
Big Jeff Pfeffer ERA by Team
Big Jeff Pfeffer's career ERA totals broken down by each team he played for, ordered by when he first joined that team.
Big Jeff Pfeffer ERA Year-Over-Year Change
A waterfall chart tracking how Big Jeff Pfeffer'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.
Big Jeff Pfeffer ERA Distribution vs. Comparable Players
Each box summarizes Big Jeff Pfeffer'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.
Big Jeff Pfeffer ERA — Season-by-Season Breakdown
Every season of Big Jeff Pfeffer'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.
