How Mike Williams's ERA Compares to Similar Players

Mike Williams posted a career ERA of 4.45, above the relief pitcher average of 3.96 — a level that fell short of typical league production. His strongest ERA season came in 1998, posting 1.94, well below the relief pitcher average of 4.26 that year. The highest point came in 1997 at 6.43, well above the relief pitcher average of 4.35 that year. Production slipped through the final seasons. The figure moved from 3.8 in 2001 to 2.93 in 2002 and 6.14 in 2003. The decline marked the closing chapter of the career. Significant season-to-season variance characterizes the ERA profile — ranging from 1.94 to 6.43 — though the career average fell below league norms.

Mike Williams Lifetime ERA and Similar Stats

Stats similar to ERA for Mike Williams
Mike Williams
ERA
Mike Williams
Component ERA
Mike Williams
Defense Independent ERA
Career4.454.374.4
Season Avg.4.454.374.4
162 Game Avg.4.454.374.4
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Mike Williams ERA Per Season

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

Mike Williams ERA by Team

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

Mike Williams ERA Year-Over-Year Change

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

Mike Williams ERA Distribution vs. Comparable Players

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

Mike Williams ERA — Season-by-Season Breakdown

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