How Jean-Pierre Roy's ERA Compares to Similar Players
Jean-Pierre Roy posted a career ERA of 9.95, well above the starting pitcher average of 3.87 — 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.
Jean-Pierre Roy Lifetime ERA and Similar Stats
Stats similar to ERA for Jean-Pierre Roy
| Jean-Pierre Roy
ERA | Jean-Pierre Roy
Component ERA | Jean-Pierre Roy
Defense Independent ERA |
|---|
| Career | 9.95 | 5.73 | 7.58 |
| Season Avg. | 9.95 | 5.73 | 7.58 |
| 162 Game Avg. | 9.95 | 5.73 | 7.58 |
| More Info | See More | See More | See More |
Jean-Pierre Roy ERA Per Season
Jean-Pierre Roy'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.
Jean-Pierre Roy ERA by Team
Jean-Pierre Roy's career ERA totals broken down by each team he played for, ordered by when he first joined that team.
Jean-Pierre Roy ERA Year-Over-Year Change
A waterfall chart tracking how Jean-Pierre Roy'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.
Jean-Pierre Roy ERA Distribution vs. Comparable Players
Each box summarizes Jean-Pierre Roy'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.
Jean-Pierre Roy ERA — Season-by-Season Breakdown
Every season of Jean-Pierre Roy'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.
