How Len Madden's ERA Compares to Similar Players

Len Madden posted a career ERA of 2.92, well below the starting pitcher average of 3.87 — a mark that ranked among the best of his era. Across 1 season, the ERA arc showed a promising start, with limited data making longer-term conclusions premature. With 1 season of data, the ERA arc was above league norms — too limited for reliable trend analysis. Some season-to-season variance runs through the career line, but the career average remained well above league norms across 1 season.

Len Madden Lifetime ERA and Similar Stats

Stats similar to ERA for Len Madden
Len Madden
ERA
Len Madden
Component ERA
Len Madden
Defense Independent ERA
Career2.9275.68
Season Avg.2.9275.68
162 Game Avg.2.9275.68
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Len Madden ERA Per Season

Len Madden'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.
Len Madden ERA per season line chart

Len Madden ERA by Team

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

Len Madden ERA Year-Over-Year Change

A waterfall chart tracking how Len Madden'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.
Len Madden ERA year-over-year waterfall chart

Len Madden ERA Distribution vs. Comparable Players

Each box summarizes Len Madden'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.
Len Madden ERA distribution box chart versus comparable players

Len Madden ERA — Season-by-Season Breakdown

Every season of Len Madden'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.
Len Madden ERA season-by-season breakdown table