How Unknown Nelson's ERA Compares to Similar Players

Unknown Nelson posted a career ERA of 9.0, well above the relief pitcher average of 3.96 — production that significantly underperformed against league baselines. Across 1 season, the ERA arc showed a disappointing start, with limited data making longer-term conclusions premature. With 1 season of data, the ERA arc was below league norms — too limited for reliable trend analysis. Some season-to-season variance runs through the career line, but the career average remained well below league norms across 1 season.

Unknown Nelson Lifetime ERA and Similar Stats

Stats similar to ERA for Unknown Nelson
Unknown Nelson
ERA
Unknown Nelson
Component ERA
Unknown Nelson
Defense Independent ERA
Career97.483
Season Avg.97.483
162 Game Avg.97.483
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Unknown Nelson ERA Per Season

Unknown Nelson's ERA for each season of his MLB career, plotted against that year's league average. Switch between comparisons — Negro National League, Hall of Fame, RP, Unknown, or players born in the same country — to see how he stacked up year by year.
Unknown Nelson ERA per season line chart

Unknown Nelson ERA by Team

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

Unknown Nelson ERA Year-Over-Year Change

A waterfall chart tracking how Unknown Nelson'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.
Unknown Nelson ERA year-over-year waterfall chart

Unknown Nelson ERA Distribution vs. Comparable Players

Each box summarizes Unknown Nelson'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.
Unknown Nelson ERA distribution box chart versus comparable players

Unknown Nelson ERA — Season-by-Season Breakdown

Every season of Unknown Nelson'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.
Unknown Nelson ERA season-by-season breakdown table