How Mutt Williams's ERA Compares to Similar Players

Mutt Williams posted a career ERA of 4.91, 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.

Mutt Williams Lifetime ERA and Similar Stats

Stats similar to ERA for Mutt Williams
Mutt Williams
ERA
Mutt Williams
Component ERA
Mutt Williams
Defense Independent ERA
Career4.914.075.09
Season Avg.4.914.075.09
162 Game Avg.4.914.075.09
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Mutt Williams ERA Per Season

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

Mutt Williams ERA by Team

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

Mutt Williams ERA Year-Over-Year Change

A waterfall chart tracking how Mutt Williams'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.
Mutt Williams ERA year-over-year waterfall chart

Mutt Williams ERA Distribution vs. Comparable Players

Each box summarizes Mutt Williams'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.
Mutt Williams ERA distribution box chart versus comparable players

Mutt Williams ERA — Season-by-Season Breakdown

Every season of Mutt Williams'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.
Mutt Williams ERA season-by-season breakdown table