How Al Williamson's Component ERA Compares to Similar Players

Al Williamson posted a career Component ERA of .160, well below the relief pitcher average of 3.96 — a mark that ranked among the best of his era. Across 1 season, the Component ERA arc showed a promising start, with limited data making longer-term conclusions premature. With 1 season of data, the Component ERA arc was above league norms — too limited for reliable trend analysis. Some season-to-season variance runs through the career line, but the career average remained well above league norms across 1 season.

Al Williamson Lifetime Component ERA

Stats similar to Component ERA for Al Williamson
Al Williamson
Component ERA
Career0.16
Season Avg.0.16
162 Game Avg.0.16
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Al Williamson Component ERA Per Season

Al Williamson's Component 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.
Al Williamson Component ERA per season line chart

Al Williamson Component ERA by Team

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

Al Williamson Component ERA Year-Over-Year Change

A waterfall chart tracking how Al Williamson's career Component 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.
Al Williamson Component ERA year-over-year waterfall chart

Al Williamson Component ERA Distribution vs. Comparable Players

Each box summarizes Al Williamson's seasonal Component 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.
Al Williamson Component ERA distribution box chart versus comparable players

Al Williamson Component ERA — Season-by-Season Breakdown

Every season of Al Williamson's MLB career with Component 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.
Al Williamson Component ERA season-by-season breakdown table