How Don Brennan's Win Percentage Compares to Similar Players
Don Brennan posted a career Win Percentage of 63.64, well above the relief pitcher average of 49.61 — a mark that ranked among the best of his era. His best Win Percentage season came in 1933, posting 83.33, well above the relief pitcher average of 51.61 that year. The lowest point came in 1935 at 50.0, near the relief pitcher average of 50.0 that year. The Win Percentage trended upward through the final seasons. The figure moved from 50.0 in 1935 to 71.43 in 1936 and 66.67 in 1937. The upward arc continued through his final campaign. Some season-to-season variance runs through the career line, but the career average remained well above league norms across 5 seasons.
Don Brennan Lifetime Win Percentage
Stats similar to Win Percentage for Don Brennan
| Don Brennan Win Percentage |
|---|
| Career | 63.64 |
| Season Avg. | 63.64 |
| 162 Game Avg. | 63.64 |
| More Info | See More |
Don Brennan Win Percentage Per Season
Don Brennan's Win Percentage for each season of his MLB career, plotted against that year's league average. Switch between comparisons — National League, Hall of Fame, RP, North America, or players born in the same country — to see how he stacked up year by year.
Don Brennan Win Percentage by Team
Don Brennan's career Win Percentage totals broken down by each team he played for, ordered by when he first joined that team.
Don Brennan Win Percentage Year-Over-Year Change
A waterfall chart tracking how Don Brennan's career Win Percentage 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.
Don Brennan Win Percentage Distribution vs. Comparable Players
Each box summarizes Don Brennan's seasonal Win Percentage 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.
Don Brennan Win Percentage — Season-by-Season Breakdown
Every season of Don Brennan's MLB career with Win Percentage 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.