How Marcus Gwyn's ERA Compares to Similar Players

Marcus Gwyn posted a career ERA of 11.81, 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.

Marcus Gwyn Lifetime ERA and Similar Stats

Stats similar to ERA for Marcus Gwyn
Marcus Gwyn
ERA
Marcus Gwyn
Component ERA
Marcus Gwyn
Defense Independent ERA
Career11.8114.8212
Season Avg.11.8114.8212
162 Game Avg.11.8114.8212
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Marcus Gwyn ERA Per Season

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

Marcus Gwyn ERA by Team

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

Marcus Gwyn ERA Year-Over-Year Change

A waterfall chart tracking how Marcus Gwyn'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.
Marcus Gwyn ERA year-over-year waterfall chart

Marcus Gwyn ERA Distribution vs. Comparable Players

Each box summarizes Marcus Gwyn'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.
Marcus Gwyn ERA distribution box chart versus comparable players

Marcus Gwyn ERA — Season-by-Season Breakdown

Every season of Marcus Gwyn'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.
Marcus Gwyn ERA season-by-season breakdown table