How Rich Robertson's Defense Independent ERA Compares to Similar Players
Rich Robertson posted a career Defense Independent ERA of 4.67, above the starting pitcher average of 4.03 — a level that fell short of typical league production. His strongest Defense Independent ERA season came in 1967, posting 2.0, well below the starting pitcher average of 3.74 that year. The highest point came in 1970 at 4.82, above the starting pitcher average of 4.24 that year. Output was consistent through the final seasons. The figure moved from 4.76 in 1969 to 4.82 in 1970 and 4.64 in 1971. The consistent output characterized his final seasons. Significant season-to-season variance characterizes the Defense Independent ERA profile — ranging from 2.0 to 4.82 — though the career average fell below league norms.
Rich Robertson Lifetime Defense Independent ERA
Stats similar to Defense Independent ERA for Rich Robertson
| Rich Robertson Defense Independent ERA |
|---|
| Career | 4.67 |
| Season Avg. | 4.67 |
| 162 Game Avg. | 4.67 |
| More Info | See More |
Rich Robertson Defense Independent ERA Per Season
Rich Robertson's Defense Independent 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.
Rich Robertson Defense Independent ERA by Team
Rich Robertson's career Defense Independent ERA totals broken down by each team he played for, ordered by when he first joined that team.
Rich Robertson Defense Independent ERA Year-Over-Year Change
A waterfall chart tracking how Rich Robertson'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.
Rich Robertson Defense Independent ERA Distribution vs. Comparable Players
Each box summarizes Rich Robertson'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.
Rich Robertson Defense Independent ERA — Season-by-Season Breakdown
Every season of Rich Robertson'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.