How Art Mahaffey's ERA Compares to Similar Players
Art Mahaffey posted a career ERA of 4.17, near the starting pitcher average of 3.87 — a profile that tracked closely with league norms. His strongest ERA season came in 1960, posting 2.31, well below the starting pitcher average of 3.81 that year. The highest point came in 1966 at 6.43, well above the starting pitcher average of 3.54 that year, a partial season. Production slipped through the final seasons. The figure moved from 4.52 in 1964 to 6.21 in 1965 and 6.43 in 1966. The decline marked the closing chapter of the career. Significant season-to-season variance characterizes the ERA profile — ranging from 2.31 to 6.43 — though the career average tracked near league norms.
Art Mahaffey Lifetime ERA and Similar Stats
Stats similar to ERA for Art Mahaffey
| Art Mahaffey
ERA | Art Mahaffey
Component ERA | Art Mahaffey
Defense Independent ERA |
|---|
| Career | 4.17 | 4.05 | 4.57 |
| Season Avg. | 4.17 | 4.05 | 4.57 |
| 162 Game Avg. | 4.17 | 4.05 | 4.57 |
| More Info | See More | See More | See More |
Art Mahaffey ERA Per Season
Art Mahaffey's ERA for each season of his MLB career, plotted against that year's league average. Switch between comparisons — National League, Hall of Fame, SP, North America, or players born in the same country — to see how he stacked up year by year.
Art Mahaffey ERA by Team
Art Mahaffey's career ERA totals broken down by each team he played for, ordered by when he first joined that team.
Art Mahaffey ERA Year-Over-Year Change
A waterfall chart tracking how Art Mahaffey'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.
Art Mahaffey ERA Distribution vs. Comparable Players
Each box summarizes Art Mahaffey'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.
Art Mahaffey ERA — Season-by-Season Breakdown
Every season of Art Mahaffey'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.
