How Ron Keller's Defense Independent ERA Compares to Similar Players
Ron Keller posted a career Defense Independent ERA of 4.55, above the relief pitcher average of 4.08 — a level that fell short of typical league production. Across 2 seasons, the Defense Independent ERA arc showed a disappointing start, with limited data making longer-term conclusions premature. With 2 seasons of data, the Defense Independent 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 2 seasons.
Ron Keller Lifetime Defense Independent ERA
Stats similar to Defense Independent ERA for Ron Keller
| Ron Keller
Defense Independent ERA |
|---|
| Career | 4.55 |
| Season Avg. | 4.55 |
| 162 Game Avg. | 4.55 |
| More Info | See More |
Ron Keller Defense Independent ERA Per Season
Ron Keller's Defense Independent 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.
Ron Keller Defense Independent ERA by Team
Ron Keller's career Defense Independent ERA totals broken down by each team he played for, ordered by when he first joined that team.
Ron Keller Defense Independent ERA Year-Over-Year Change
A waterfall chart tracking how Ron Keller's career Defense Independent 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.
Ron Keller Defense Independent ERA Distribution vs. Comparable Players
Each box summarizes Ron Keller's seasonal Defense Independent 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.
Ron Keller Defense Independent ERA — Season-by-Season Breakdown
Every season of Ron Keller's MLB career with Defense Independent 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.
