How Robert Stephenson's ERA Compares to Similar Players
Robert Stephenson has posted a career ERA of 4.59, above the relief pitcher average of 3.96 — a level that falls short of typical league production. His strongest ERA season came in 2025, posting 2.7, well below the relief pitcher average of 3.93 that year. The highest point came in 2018 at 9.26, well above the relief pitcher average of 4.1 that year. The ERA has trended upward over recent seasons. The figure has moved from 5.43 in 2022 to 3.1 in 2023 and 2.7 in 2025. The upward arc suggests continued forward momentum heading into 2026. Significant season-to-season variance characterizes the ERA profile — ranging from 2.7 to 9.26 — though the career average has fallen below league norms.
Robert Stephenson Lifetime ERA and Similar Stats
Stats similar to ERA for Robert Stephenson
| Robert Stephenson
ERA | Robert Stephenson
Component ERA | Robert Stephenson
Defense Independent ERA |
|---|
| Career | 4.59 | 4.14 | 4.39 |
| Season Avg. | 4.59 | 4.14 | 4.39 |
| 162 Game Avg. | 4.59 | 4.14 | 4.39 |
| More Info | See More | See More | See More |
Robert Stephenson ERA Per Season
Robert Stephenson'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.
Robert Stephenson ERA by Team
Robert Stephenson's career ERA totals broken down by each team he played for, ordered by when he first joined that team.
Robert Stephenson ERA Year-Over-Year Change
A waterfall chart tracking how Robert Stephenson'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.
Robert Stephenson ERA Distribution vs. Comparable Players
Each box summarizes Robert Stephenson'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.
Robert Stephenson ERA — Season-by-Season Breakdown
Every season of Robert Stephenson'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.
