How Ron Diorio's ERA Compares to Similar Players

Ron Diorio posted a career ERA of 3.1, well below the relief pitcher average of 3.96 — a mark that ranked among the best of his era. Across 2 seasons, the ERA arc showed a promising start, with limited data making longer-term conclusions premature. With 2 seasons of data, the ERA arc was above league norms — too limited for reliable trend analysis. Significant season-to-season variance characterizes the ERA profile — ranging from 2.33 to 18.0 — though the career average remained well above league norms.

Ron Diorio Lifetime ERA and Similar Stats

Stats similar to ERA for Ron Diorio
Ron Diorio
ERA
Ron Diorio
Component ERA
Ron Diorio
Defense Independent ERA
Career3.13.54.23
Season Avg.3.13.54.23
162 Game Avg.3.13.54.23
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Ron Diorio ERA Per Season

Ron Diorio'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.
Ron Diorio ERA per season line chart

Ron Diorio ERA by Team

Ron Diorio's career ERA totals broken down by each team he played for, ordered by when he first joined that team.
Ron Diorio career ERA by team bar chart

Ron Diorio ERA Year-Over-Year Change

A waterfall chart tracking how Ron Diorio'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.
Ron Diorio ERA year-over-year waterfall chart

Ron Diorio ERA Distribution vs. Comparable Players

Each box summarizes Ron Diorio'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.
Ron Diorio ERA distribution box chart versus comparable players

Ron Diorio ERA — Season-by-Season Breakdown

Every season of Ron Diorio'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.
Ron Diorio ERA season-by-season breakdown table