How Lou Koupal's ERA Compares to Similar Players
Lou Koupal posted a career ERA of 5.58, well above the starting pitcher average of 3.87 — production that significantly underperformed against league baselines. His strongest ERA season came in 1928, posting 2.41, well below the starting pitcher average of 4.06 that year. The highest point came in 1925 at 9.0, well above the starting pitcher average of 4.49 that year. Output was consistent through the final seasons. The figure moved from 4.96 in 1929 to 8.59 in 1930 and 6.56 in 1937. The consistent output characterized his final seasons. Significant season-to-season variance characterizes the ERA profile — ranging from 2.41 to 9.0 — though the career average remained well below league norms.
Lou Koupal Lifetime ERA and Similar Stats
Stats similar to ERA for Lou Koupal
| Lou Koupal
ERA | Lou Koupal
Component ERA | Lou Koupal
Defense Independent ERA |
|---|
| Career | 5.58 | 5.95 | 4.81 |
| Season Avg. | 5.58 | 5.95 | 4.81 |
| 162 Game Avg. | 5.58 | 5.95 | 4.81 |
| More Info | See More | See More | See More |
Lou Koupal ERA Per Season
Lou Koupal'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.
Lou Koupal ERA by Team
Lou Koupal's career ERA totals broken down by each team he played for, ordered by when he first joined that team.
Lou Koupal ERA Year-Over-Year Change
A waterfall chart tracking how Lou Koupal'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.
Lou Koupal ERA Distribution vs. Comparable Players
Each box summarizes Lou Koupal'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.
Lou Koupal ERA — Season-by-Season Breakdown
Every season of Lou Koupal'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.
