How Mike Willis's Home Runs Allowed Per 9 Innings Compares to Similar Players
Mike Willis posted a career Home Runs Allowed Per 9 Innings of 1.09, well above the relief pitcher average of .823 — production that significantly underperformed against league baselines. His strongest Home Runs Allowed Per 9 Innings season came in 1979, posting .340, well below the relief pitcher average of .750 that year. The highest point came in 1981 at 1.54, well above the relief pitcher average of .636 that year. Production slipped through the final seasons. The figure moved from .340 in 1979 to 1.03 in 1980 and 1.54 in 1981. The decline marked the closing chapter of the career. Significant season-to-season variance characterizes the Home Runs Allowed Per 9 Innings profile — ranging from .340 to 1.54 — though the career average remained well below league norms.
Mike Willis Lifetime Home Runs Allowed Per 9 Innings
Stats similar to Home Runs Allowed Per 9 Innings for Mike Willis
| Mike Willis
Home Runs Allowed Per 9 Innings |
|---|
| Career | 1.09 |
| Season Avg. | 1.09 |
| 162 Game Avg. | 1.09 |
| More Info | See More |
Mike Willis Home Runs Allowed Per 9 Innings Per Season
Mike Willis's Home Runs Allowed Per 9 Innings 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 Home Runs Allowed Per 9 Innings by Team
Mike Willis's career Home Runs Allowed Per 9 Innings totals broken down by each team he played for, ordered by when he first joined that team.
Mike Willis Home Runs Allowed Per 9 Innings Year-Over-Year Change
A waterfall chart tracking how Mike Willis's career Home Runs Allowed Per 9 Innings 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 Home Runs Allowed Per 9 Innings Distribution vs. Comparable Players
Each box summarizes Mike Willis's seasonal Home Runs Allowed Per 9 Innings 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 Home Runs Allowed Per 9 Innings — Season-by-Season Breakdown
Every season of Mike Willis's MLB career with Home Runs Allowed Per 9 Innings 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.
