How John Williams's ERA Compares to Similar Players

John Williams posted a career ERA of 4.37, above the starting pitcher average of 3.87 — a level that fell short of typical league production. His strongest ERA season came in 1929, posting 3.09. The highest point came in 1926 at 6.29. Output was consistent through the final seasons. The figure moved from 5.14 in 1928 to 3.09 in 1929 and 5.27 in 1930. The consistent output characterized his final seasons. Some season-to-season variance runs through the career line, but the career average fell below league norms across 5 seasons.

John Williams Lifetime ERA and Similar Stats

Stats similar to ERA for John Williams
John Williams
ERA
John Williams
Component ERA
John Williams
Defense Independent ERA
Career4.374.284.01
Season Avg.4.374.284.01
162 Game Avg.4.374.284.01
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John Williams ERA Per Season

John Williams's ERA for each season of his MLB career, plotted against that year's league average. Switch between comparisons — Negro National League, Hall of Fame, SP, North America, or players born in the same country — to see how he stacked up year by year.
John Williams ERA per season line chart

John Williams ERA by Team

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

John Williams ERA Year-Over-Year Change

A waterfall chart tracking how John 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.
John Williams ERA year-over-year waterfall chart

John Williams ERA Distribution vs. Comparable Players

Each box summarizes John 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.
John Williams ERA distribution box chart versus comparable players

John Williams ERA — Season-by-Season Breakdown

Every season of John 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.
John Williams ERA season-by-season breakdown table