How Charlie Kerfeld's ERA Compares to Similar Players
Charlie Kerfeld posted a career ERA of 4.2, near the relief pitcher average of 3.96 — a profile that tracked closely with league norms. Across 4 seasons, the ERA arc showed a consistent if unspectacular start, with limited data making longer-term conclusions premature. With 4 seasons of data, the ERA arc was in line with league norms — too limited for reliable trend analysis. Significant season-to-season variance characterizes the ERA profile — ranging from 2.59 to 6.67 — though the career average tracked near league norms.
Charlie Kerfeld Lifetime ERA and Similar Stats
Stats similar to ERA for Charlie Kerfeld
| Charlie Kerfeld
ERA | Charlie Kerfeld
Component ERA | Charlie Kerfeld
Defense Independent ERA |
|---|
| Career | 4.2 | 4.12 | 4.02 |
| Season Avg. | 4.2 | 4.12 | 4.02 |
| 162 Game Avg. | 4.2 | 4.12 | 4.02 |
| More Info | See More | See More | See More |
Charlie Kerfeld ERA Per Season
Charlie Kerfeld'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.
Charlie Kerfeld ERA by Team
Charlie Kerfeld's career ERA totals broken down by each team he played for, ordered by when he first joined that team.
Charlie Kerfeld ERA Year-Over-Year Change
A waterfall chart tracking how Charlie Kerfeld'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.
Charlie Kerfeld ERA Distribution vs. Comparable Players
Each box summarizes Charlie Kerfeld'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.
Charlie Kerfeld ERA — Season-by-Season Breakdown
Every season of Charlie Kerfeld'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.
