How Mike Willis's ERA Compares to Similar Players
Mike Willis posted a career ERA of 4.59, above the relief pitcher average of 3.96 — a level that fell short of typical league production. His strongest ERA season came in 1980, posting 1.71, well below the relief pitcher average of 3.58 that year. The highest point came in 1979 at 8.44, well above the relief pitcher average of 3.86 that year. The ERA trended upward through the final seasons. The figure moved from 8.44 in 1979 to 1.71 in 1980 and 5.91 in 1981. The upward arc continued through his final campaign. Significant season-to-season variance characterizes the ERA profile — ranging from 1.71 to 8.44 — though the career average fell below league norms.
Mike Willis Lifetime ERA and Similar Stats
Stats similar to ERA for Mike Willis
| Mike Willis
ERA | Mike Willis
Component ERA | Mike Willis
Defense Independent ERA |
|---|
| Career | 4.59 | 4.59 | 4.86 |
| Season Avg. | 4.59 | 4.59 | 4.86 |
| 162 Game Avg. | 4.59 | 4.59 | 4.86 |
| More Info | See More | See More | See More |
Mike Willis ERA Per Season
Mike Willis'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.
Mike Willis ERA by Team
Mike Willis's career ERA totals broken down by each team he played for, ordered by when he first joined that team.
Mike Willis ERA Year-Over-Year Change
A waterfall chart tracking how Mike Willis'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 Willis ERA Distribution vs. Comparable Players
Each box summarizes Mike Willis'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 Willis ERA — Season-by-Season Breakdown
Every season of Mike Willis'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.
