How Grant Balfour's ERA Compares to Similar Players
Grant Balfour posted a career ERA of 3.49, below the relief pitcher average of 3.96 — production that kept him consistently ahead of most peers. His strongest ERA season came in 2008, posting 1.54, well below the relief pitcher average of 4.07 that year. The highest point came in 2001 at 13.5, well above the relief pitcher average of 4.19 that year. Production slipped through the final seasons. The figure moved from 2.59 in 2013 to 4.91 in 2014 and 6.23 in 2015. The decline marked the closing chapter of the career. Significant season-to-season variance characterizes the ERA profile — ranging from 1.54 to 13.5 — though the career average remained above league norms.
Grant Balfour Lifetime ERA and Similar Stats
Stats similar to ERA for Grant Balfour
| Grant Balfour
ERA | Grant Balfour
Component ERA | Grant Balfour
Defense Independent ERA |
|---|
| Career | 3.49 | 2.94 | 3.46 |
| Season Avg. | 3.49 | 2.94 | 3.46 |
| 162 Game Avg. | 3.49 | 2.94 | 3.46 |
| More Info | See More | See More | See More |
Grant Balfour ERA Per Season
Grant Balfour'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, Oceania, or players born in the same country — to see how he stacked up year by year.
Grant Balfour ERA by Team
Grant Balfour's career ERA totals broken down by each team he played for, ordered by when he first joined that team.
Grant Balfour ERA Year-Over-Year Change
A waterfall chart tracking how Grant Balfour'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.
Grant Balfour ERA Distribution vs. Comparable Players
Each box summarizes Grant Balfour'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.
Grant Balfour ERA — Season-by-Season Breakdown
Every season of Grant Balfour'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.
