How Ryan Rolison's ERA Compares to Similar Players
Ryan Rolison has posted a career ERA of 7.02, well above the relief pitcher average of 3.96 — production that has significantly underperformed against league baselines. Across 1 season, the ERA arc has shown a disappointing start, with limited data making longer-term conclusions premature. With 1 season of data, the ERA arc has been below league norms — too limited for reliable trend analysis. Some season-to-season variance runs through the career line, but the career average has remained well below league norms across 1 season.
Ryan Rolison Lifetime ERA and Similar Stats
Stats similar to ERA for Ryan Rolison
| Ryan Rolison
ERA | Ryan Rolison
Component ERA | Ryan Rolison
Defense Independent ERA |
|---|
| Career | 7.02 | 7.66 | 6.61 |
| Season Avg. | 7.02 | 7.66 | 6.61 |
| 162 Game Avg. | 7.02 | 7.66 | 6.61 |
| More Info | See More | See More | See More |
Ryan Rolison ERA Per Season
Ryan Rolison's ERA for each season of his MLB career, plotted against that year's league average. Switch between comparisons — National League, Hall of Fame, RP, North America, or players born in the same country — to see how he stacked up year by year.
Ryan Rolison ERA by Team
Ryan Rolison's career ERA totals broken down by each team he played for, ordered by when he first joined that team.
Ryan Rolison ERA Year-Over-Year Change
A waterfall chart tracking how Ryan Rolison'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.
Ryan Rolison ERA Distribution vs. Comparable Players
Each box summarizes Ryan Rolison'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.
Ryan Rolison ERA — Season-by-Season Breakdown
Every season of Ryan Rolison'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.
