How Don McMahon's ERA Compares to Similar Players
Don McMahon posted a career ERA of 2.96, well below the relief pitcher average of 3.96 — a mark that ranked among the best of his era. His strongest ERA season came in 1973, posting 1.48, well below the relief pitcher average of 3.84 that year. The highest point came in 1960 at 5.94, well above the relief pitcher average of 3.79 that year. The ERA trended upward through the final seasons. The figure moved from 3.71 in 1972 to 1.48 in 1973 and 3.09 in 1974. The upward arc continued through his final campaign. Significant season-to-season variance characterizes the ERA profile — ranging from 1.48 to 5.94 — though the career average remained well above league norms.
Don McMahon Lifetime ERA and Similar Stats
Stats similar to ERA for Don McMahon
| Don McMahon
ERA | Don McMahon
Component ERA | Don McMahon
Defense Independent ERA |
|---|
| Career | 2.96 | 3.04 | 3.91 |
| Season Avg. | 2.96 | 3.04 | 3.91 |
| 162 Game Avg. | 2.96 | 3.04 | 3.91 |
| More Info | See More | See More | See More |
Don McMahon ERA Per Season
Don McMahon'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.
Don McMahon ERA by Team
Don McMahon's career ERA totals broken down by each team he played for, ordered by when he first joined that team.
Don McMahon ERA Year-Over-Year Change
A waterfall chart tracking how Don McMahon'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.
Don McMahon ERA Distribution vs. Comparable Players
Each box summarizes Don McMahon'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.
Don McMahon ERA — Season-by-Season Breakdown
Every season of Don McMahon'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.
