How John Henry's ERA Compares to Similar Players
John Henry posted a career ERA of 4.09, near the league average of 3.83 — a profile that tracked closely with league norms. Across 3 seasons, the ERA arc showed a consistent if unspectacular start, with limited data making longer-term conclusions premature. With 3 seasons of data, the ERA arc was in line with league norms — too limited for reliable trend analysis. One of the more consistent ERA producers of his era, the career line shows near-average output with little season-to-season variance across 3 seasons.
John Henry Lifetime ERA and Similar Stats
Stats similar to ERA for John Henry
| John Henry ERA | John Henry Component ERA | John Henry Defense Independent ERA |
|---|
| Career | 4.09 | 3.73 | 3.43 |
| Season Avg. | 4.09 | 3.73 | 3.43 |
| 162 Game Avg. | 4.09 | 3.73 | 3.43 |
| More Info | See More | See More | See More |
John Henry ERA Per Season
John Henry's ERA for each season of his MLB career, plotted against that year's league average. Switch between comparisons — National League, Hall of Fame, LF, North America, or players born in the same country — to see how he stacked up year by year.
John Henry ERA by Team
John Henry's career ERA totals broken down by each team he played for, ordered by when he first joined that team.
John Henry ERA Year-Over-Year Change
A waterfall chart tracking how John Henry'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.
John Henry ERA Distribution vs. Comparable Players
Each box summarizes John Henry'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.
John Henry ERA — Season-by-Season Breakdown
Every season of John Henry'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.