How Mike Mason's ERA Compares to Similar Players
Mike Mason posted a career ERA of 4.53, above the starting pitcher average of 3.87 — a level that fell short of typical league production. His strongest ERA season came in 1984, posting 3.61, near the starting pitcher average of 3.89 that year. The highest point came in 1988 at 10.8, well above the starting pitcher average of 3.73 that year, a partial season. Production slipped through the final seasons. The figure moved from 4.33 in 1986 to 5.64 in 1987 and 10.8 in 1988. The decline marked the closing chapter of the career. Significant season-to-season variance characterizes the ERA profile — ranging from 3.61 to 10.8 — though the career average fell below league norms.
Mike Mason Lifetime ERA and Similar Stats
Stats similar to ERA for Mike Mason
| Mike Mason
ERA | Mike Mason
Component ERA | Mike Mason
Defense Independent ERA |
|---|
| Career | 4.53 | 4.4 | 4.48 |
| Season Avg. | 4.53 | 4.4 | 4.48 |
| 162 Game Avg. | 4.53 | 4.4 | 4.48 |
| More Info | See More | See More | See More |
Mike Mason ERA Per Season
Mike Mason's ERA for each season of his MLB career, plotted against that year's league average. Switch between comparisons — American League, Hall of Fame, SP, North America, or players born in the same country — to see how he stacked up year by year.
Mike Mason ERA by Team
Mike Mason's career ERA totals broken down by each team he played for, ordered by when he first joined that team.
Mike Mason ERA Year-Over-Year Change
A waterfall chart tracking how Mike Mason'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 Mason ERA Distribution vs. Comparable Players
Each box summarizes Mike Mason'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 Mason ERA — Season-by-Season Breakdown
Every season of Mike Mason'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.
