How Jason Grilli's Win Percentage Compares to Similar Players
Jason Grilli posted a career Win Percentage of 41.98, below the relief pitcher average of 49.61 — a level that fell short of typical league production. His best Win Percentage season came in 2000, posting 100.0, well above the relief pitcher average of 49.07 that year. The lowest point came in 2013 at .000, well below the relief pitcher average of 49.49 that year. Production slipped through the final seasons. The figure moved from 42.86 in 2015 to 53.85 in 2016 and 28.57 in 2017. The decline marked the closing chapter of the career. Significant season-to-season variance characterizes the Win Percentage profile — ranging from .000 to 100.0 — though the career average fell below league norms.
Jason Grilli Lifetime Win Percentage
Stats similar to Win Percentage for Jason Grilli
| Jason Grilli
Win Percentage |
|---|
| Career | 41.98 |
| Season Avg. | 41.98 |
| 162 Game Avg. | 41.98 |
| More Info | See More |
Jason Grilli Win Percentage Per Season
Jason Grilli'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.
Jason Grilli Win Percentage by Team
Jason Grilli's career Win Percentage totals broken down by each team he played for, ordered by when he first joined that team.
Jason Grilli Win Percentage Year-Over-Year Change
A waterfall chart tracking how Jason Grilli'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.
Jason Grilli Win Percentage Distribution vs. Comparable Players
Each box summarizes Jason Grilli'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.
Jason Grilli Win Percentage — Season-by-Season Breakdown
Every season of Jason Grilli'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.
