How Randy Rosario's ERA Compares to Similar Players
Randy Rosario posted a career ERA of 5.0, well above the relief pitcher average of 3.96 — production that significantly underperformed against league baselines. Across 3 seasons, the ERA arc showed a disappointing start, with limited data making longer-term conclusions premature. With 3 seasons of data, the ERA arc was below league norms — too limited for reliable trend analysis. Significant season-to-season variance characterizes the ERA profile — ranging from 3.66 to 30.86 — though the career average remained well below league norms.
Randy Rosario Lifetime ERA and Similar Stats
Stats similar to ERA for Randy Rosario
| Randy Rosario
ERA | Randy Rosario
Component ERA | Randy Rosario
Defense Independent ERA |
|---|
| Career | 5 | 5.47 | 4.73 |
| Season Avg. | 5 | 5.47 | 4.73 |
| 162 Game Avg. | 5 | 5.47 | 4.73 |
| More Info | See More | See More | See More |
Randy Rosario ERA Per Season
Randy Rosario'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, Caribbean, or players born in the same country — to see how he stacked up year by year.
Randy Rosario ERA by Team
Randy Rosario's career ERA totals broken down by each team he played for, ordered by when he first joined that team.
Randy Rosario ERA Year-Over-Year Change
A waterfall chart tracking how Randy Rosario'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.
Randy Rosario ERA Distribution vs. Comparable Players
Each box summarizes Randy Rosario'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.
Randy Rosario ERA — Season-by-Season Breakdown
Every season of Randy Rosario'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.
