How Jimmy Key's ERA Compares to Similar Players
Jimmy Key posted a career ERA of 3.51, near the starting pitcher average of 3.87 — a profile that tracked closely with league norms. His strongest ERA season came in 1987, posting 2.76, well below the starting pitcher average of 4.35 that year. The highest point came in 1995 at 5.64, well above the starting pitcher average of 4.44 that year. The ERA trended upward through the final seasons. The figure moved from 4.68 in 1996 to 3.43 in 1997 and 4.2 in 1998. The upward arc continued through his final campaign. Some season-to-season variance runs through the career line, but the career average tracked near league norms across 14 seasons.
Jimmy Key Lifetime ERA and Similar Stats
Stats similar to ERA for Jimmy Key
| Jimmy Key
ERA | Jimmy Key
Component ERA | Jimmy Key
Defense Independent ERA |
|---|
| Career | 3.51 | 3.42 | 3.9 |
| Season Avg. | 3.51 | 3.42 | 3.9 |
| 162 Game Avg. | 3.51 | 3.42 | 3.9 |
| More Info | See More | See More | See More |
Jimmy Key ERA Per Season
Jimmy Key'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.
Jimmy Key ERA by Team
Jimmy Key's career ERA totals broken down by each team he played for, ordered by when he first joined that team.
Jimmy Key ERA Year-Over-Year Change
A waterfall chart tracking how Jimmy Key'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.
Jimmy Key ERA Distribution vs. Comparable Players
Each box summarizes Jimmy Key'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.
Jimmy Key ERA — Season-by-Season Breakdown
Every season of Jimmy Key'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.
