How Guillermo Zuñiga's ERA Compares to Similar Players

Guillermo Zuñiga posted a career ERA of 5.03, well above the relief pitcher average of 3.96 — production that significantly underperformed against league baselines. Across 2 seasons, the ERA arc showed a disappointing start, with limited data making longer-term conclusions premature. With 2 seasons of data, the ERA arc was below league norms — too limited for reliable trend analysis. The ERA profile has been one of the more consistent of his era — 2 seasons of below-average production with little variance, rather than the volatility that sometimes accompanies a struggling hitter.

Guillermo Zuñiga Lifetime ERA and Similar Stats

Stats similar to ERA for Guillermo Zuñiga
Guillermo Zuñiga
ERA
Guillermo Zuñiga
Component ERA
Guillermo Zuñiga
Defense Independent ERA
Career5.034.776.05
Season Avg.5.034.776.05
162 Game Avg.5.034.776.05
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Guillermo Zuñiga ERA Per Season

Guillermo Zuñiga'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.
Guillermo Zuñiga ERA per season line chart

Guillermo Zuñiga ERA by Team

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

Guillermo Zuñiga ERA Year-Over-Year Change

A waterfall chart tracking how Guillermo Zuñiga'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.
Guillermo Zuñiga ERA year-over-year waterfall chart

Guillermo Zuñiga ERA Distribution vs. Comparable Players

Each box summarizes Guillermo Zuñiga'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.
Guillermo Zuñiga ERA distribution box chart versus comparable players

Guillermo Zuñiga ERA — Season-by-Season Breakdown

Every season of Guillermo Zuñiga'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.
Guillermo Zuñiga ERA season-by-season breakdown table