How Arcenio Leon's ERA Compares to Similar Players

Arcenio Leon posted a career ERA of 12.15, well above the relief pitcher average of 3.96 — production that significantly underperformed against league baselines. Across 1 season, the ERA arc showed a disappointing start, with limited data making longer-term conclusions premature. With 1 season of data, the ERA arc was below league norms — too limited for reliable trend analysis. Some season-to-season variance runs through the career line, but the career average remained well below league norms across 1 season.

Arcenio Leon Lifetime ERA and Similar Stats

Stats similar to ERA for Arcenio Leon
Arcenio Leon
ERA
Arcenio Leon
Component ERA
Arcenio Leon
Defense Independent ERA
Career12.155.455.1
Season Avg.12.155.455.1
162 Game Avg.12.155.455.1
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Arcenio Leon ERA Per Season

Arcenio Leon'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, South America, or players born in the same country — to see how he stacked up year by year.
Arcenio Leon ERA per season line chart

Arcenio Leon ERA by Team

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

Arcenio Leon ERA Year-Over-Year Change

A waterfall chart tracking how Arcenio Leon'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.
Arcenio Leon ERA year-over-year waterfall chart

Arcenio Leon ERA Distribution vs. Comparable Players

Each box summarizes Arcenio Leon'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.
Arcenio Leon ERA distribution box chart versus comparable players

Arcenio Leon ERA — Season-by-Season Breakdown

Every season of Arcenio Leon'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.
Arcenio Leon ERA season-by-season breakdown table