How Tom Harrison's ERA Compares to Similar Players

Tom Harrison 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.

Tom Harrison Lifetime ERA and Similar Stats

Stats similar to ERA for Tom Harrison
Tom Harrison
ERA
Tom Harrison
Component ERA
Tom Harrison
Defense Independent ERA
Career918.36
Season Avg.918.36
162 Game Avg.918.36
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Tom Harrison ERA Per Season

Tom Harrison'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.
Tom Harrison ERA per season line chart

Tom Harrison ERA by Team

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

Tom Harrison ERA Year-Over-Year Change

A waterfall chart tracking how Tom Harrison'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.
Tom Harrison ERA year-over-year waterfall chart

Tom Harrison ERA Distribution vs. Comparable Players

Each box summarizes Tom Harrison'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.
Tom Harrison ERA distribution box chart versus comparable players

Tom Harrison ERA — Season-by-Season Breakdown

Every season of Tom Harrison'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.
Tom Harrison ERA season-by-season breakdown table