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
Career4.093.733.43
Season Avg.4.093.733.43
162 Game Avg.4.093.733.43
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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 per season line chart

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 career ERA by team bar chart

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 year-over-year waterfall chart

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 distribution box chart versus comparable players

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.
John Henry ERA season-by-season breakdown table