How Ken Heintzelman's ERA Compares to Similar Players

Ken Heintzelman posted a career ERA of 3.93, near the starting pitcher average of 3.87 — a profile that tracked closely with league norms. His strongest ERA season came in 1937, posting 2.0, well below the starting pitcher average of 4.26 that year. The highest point came in 1938 at 9.0, well above the starting pitcher average of 4.32 that year. The ERA trended upward through the final seasons. The figure moved from 4.09 in 1950 to 4.18 in 1951 and 3.16 in 1952. The upward arc continued through his final campaign. Significant season-to-season variance characterizes the ERA profile — ranging from 2.0 to 9.0 — though the career average tracked near league norms.

Ken Heintzelman Lifetime ERA and Similar Stats

Stats similar to ERA for Ken Heintzelman
Ken Heintzelman
ERA
Ken Heintzelman
Component ERA
Ken Heintzelman
Defense Independent ERA
Career3.934.124.4
Season Avg.3.934.124.4
162 Game Avg.3.934.124.4
More InfoSee MoreSee MoreSee More

Ken Heintzelman ERA Per Season

Ken Heintzelman'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.
Ken Heintzelman ERA per season line chart

Ken Heintzelman ERA by Team

Ken Heintzelman's career ERA totals broken down by each team he played for, ordered by when he first joined that team.
Ken Heintzelman career ERA by team bar chart

Ken Heintzelman ERA Year-Over-Year Change

A waterfall chart tracking how Ken Heintzelman'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.
Ken Heintzelman ERA year-over-year waterfall chart

Ken Heintzelman ERA Distribution vs. Comparable Players

Each box summarizes Ken Heintzelman'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.
Ken Heintzelman ERA distribution box chart versus comparable players

Ken Heintzelman ERA — Season-by-Season Breakdown

Every season of Ken Heintzelman'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.
Ken Heintzelman ERA season-by-season breakdown table