How Dave Thomas's ERA Compares to Similar Players

Dave Thomas posted a career ERA of 17.18, well above the league average of 4.41 — 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.

Dave Thomas Lifetime ERA and Similar Stats

Stats similar to ERA for Dave Thomas
Dave Thomas
ERA
Dave Thomas
Component ERA
Dave Thomas
Defense Independent ERA
Career17.1812.19.55
Season Avg.17.1812.19.55
162 Game Avg.17.1812.19.55
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Dave Thomas ERA Per Season

Dave Thomas's ERA for each season of his MLB career, plotted against that year's league average. Switch between comparisons — Negro National League II, Hall of Fame, 1B, North America, or players born in the same country — to see how he stacked up year by year.
Dave Thomas ERA per season line chart

Dave Thomas ERA by Team

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

Dave Thomas ERA Year-Over-Year Change

A waterfall chart tracking how Dave Thomas'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.
Dave Thomas ERA year-over-year waterfall chart

Dave Thomas ERA Distribution vs. Comparable Players

Each box summarizes Dave Thomas'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.
Dave Thomas ERA distribution box chart versus comparable players

Dave Thomas ERA — Season-by-Season Breakdown

Every season of Dave Thomas'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.
Dave Thomas ERA season-by-season breakdown table