How Bill Castro's ERA Compares to Similar Players
Bill Castro posted a career ERA of 3.33, below the relief pitcher average of 3.96 — production that kept him consistently ahead of most peers. His strongest ERA season came in 1978, posting 1.81, well below the relief pitcher average of 3.73 that year. The highest point came in 1983 at 6.64, well above the relief pitcher average of 3.68 that year. Production slipped through the final seasons. The figure moved from 3.79 in 1981 to 3.45 in 1982 and 6.64 in 1983. The decline marked the closing chapter of the career. Significant season-to-season variance characterizes the ERA profile — ranging from 1.81 to 6.64 — though the career average remained above league norms.
Bill Castro Lifetime ERA and Similar Stats
Stats similar to ERA for Bill Castro
| Bill Castro
ERA | Bill Castro
Component ERA | Bill Castro
Defense Independent ERA |
|---|
| Career | 3.33 | 3.53 | 4.03 |
| Season Avg. | 3.33 | 3.53 | 4.03 |
| 162 Game Avg. | 3.33 | 3.53 | 4.03 |
| More Info | See More | See More | See More |
Bill Castro ERA Per Season
Bill Castro'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, Caribbean, or players born in the same country — to see how he stacked up year by year.
Bill Castro ERA by Team
Bill Castro's career ERA totals broken down by each team he played for, ordered by when he first joined that team.
Bill Castro ERA Year-Over-Year Change
A waterfall chart tracking how Bill Castro'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.
Bill Castro ERA Distribution vs. Comparable Players
Each box summarizes Bill Castro'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.
Bill Castro ERA — Season-by-Season Breakdown
Every season of Bill Castro'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.
