How Tom O'Brien's Defense Independent ERA Compares to Similar Players
Tom O'Brien posted a career Defense Independent ERA of 7.09 — a profile that tracked closely with league norms. Across 1 season, the Defense Independent ERA arc showed a consistent if unspectacular start, with limited data making longer-term conclusions premature. With 1 season of data, the Defense Independent ERA arc was in line with league norms — too limited for reliable trend analysis. Some season-to-season variance runs through the career line, but the career average tracked near league norms across 1 season.
Tom O'Brien Lifetime Defense Independent ERA
Stats similar to Defense Independent ERA for Tom O'Brien
| Tom O'Brien
Defense Independent ERA |
|---|
| Career | 7.09 |
| Season Avg. | 7.09 |
| 162 Game Avg. | 7.09 |
| More Info | See More |
Tom O'Brien Defense Independent ERA Per Season
Tom O'Brien's Defense Independent ERA for each season of his MLB career, plotted against that year's league average. Switch between comparisons — Union Association, Hall of Fame, 2B, North America, or players born in the same country — to see how he stacked up year by year.
Tom O'Brien Defense Independent ERA by Team
Tom O'Brien's career Defense Independent ERA totals broken down by each team he played for, ordered by when he first joined that team.
Tom O'Brien Defense Independent ERA Year-Over-Year Change
A waterfall chart tracking how Tom O'Brien'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.
Tom O'Brien Defense Independent ERA Distribution vs. Comparable Players
Each box summarizes Tom O'Brien'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.
Tom O'Brien Defense Independent ERA — Season-by-Season Breakdown
Every season of Tom O'Brien'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.
