How Jack Russell's Defense Independent ERA Compares to Similar Players
Jack Russell posted a career Defense Independent ERA of 4.0, near the starting pitcher average of 4.03 — a profile that tracked closely with league norms. His strongest Defense Independent ERA season came in 1938, posting 3.47, below the starting pitcher average of 4.25 that year. The highest point came in 1937 at 5.36, well above the starting pitcher average of 4.12 that year. Production slipped through the final seasons. The figure moved from 3.47 in 1938 to 3.68 in 1939 and 4.26 in 1940. The decline marked the closing chapter of the career. Some season-to-season variance runs through the career line, but the career average tracked near league norms across 15 seasons.
Jack Russell Lifetime Defense Independent ERA
Stats similar to Defense Independent ERA for Jack Russell
| Jack Russell
Defense Independent ERA |
|---|
| Career | 4 |
| Season Avg. | 4 |
| 162 Game Avg. | 4 |
| More Info | See More |
Jack Russell Defense Independent ERA Per Season
Jack Russell's Defense Independent ERA for each season of his MLB career, plotted against that year's league average. Switch between comparisons — American League, Hall of Fame, SP, North America, or players born in the same country — to see how he stacked up year by year.
Jack Russell Defense Independent ERA by Team
Jack Russell's career Defense Independent ERA totals broken down by each team he played for, ordered by when he first joined that team.
Jack Russell Defense Independent ERA Year-Over-Year Change
A waterfall chart tracking how Jack Russell's career Defense Independent 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.
Jack Russell Defense Independent ERA Distribution vs. Comparable Players
Each box summarizes Jack Russell's seasonal Defense Independent 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.
Jack Russell Defense Independent ERA — Season-by-Season Breakdown
Every season of Jack Russell's MLB career with Defense Independent 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.
