How Mariano Rivera's Runs Allowed Per 9 Innings Compares to Similar Players
Mariano Rivera posted a career Runs Allowed Per 9 Innings of 2.38, well below the relief pitcher average of 4.54 — a mark that ranked among the best of his era. His strongest Runs Allowed Per 9 Innings season came in 2008, posting 1.4, well below the relief pitcher average of 4.42 that year. The highest point came in 1995 at 5.78, well above the relief pitcher average of 4.81 that year. Production slipped through the final seasons. The figure moved from 1.91 in 2011 to 2.16 in 2012 and 2.25 in 2013. The decline marked the closing chapter of the career. Significant season-to-season variance characterizes the Runs Allowed Per 9 Innings profile — ranging from 1.4 to 5.78 — though the career average remained well above league norms.
Mariano Rivera Lifetime Runs Allowed Per 9 Innings
Stats similar to Runs Allowed Per 9 Innings for Mariano Rivera
| Mariano Rivera
Runs Allowed Per 9 Innings |
|---|
| Career | 2.38 |
| Season Avg. | 2.38 |
| 162 Game Avg. | 2.38 |
| More Info | See More |
Mariano Rivera Runs Allowed Per 9 Innings Per Season
Mariano Rivera's Runs Allowed Per 9 Innings for each season of his MLB career, plotted against that year's league average. Switch between comparisons — American League, Hall of Fame, RP, Central America, or players born in the same country — to see how he stacked up year by year.
Mariano Rivera Runs Allowed Per 9 Innings by Team
Mariano Rivera's career Runs Allowed Per 9 Innings totals broken down by each team he played for, ordered by when he first joined that team.
Mariano Rivera Runs Allowed Per 9 Innings Year-Over-Year Change
A waterfall chart tracking how Mariano Rivera's career Runs Allowed Per 9 Innings 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.
Mariano Rivera Runs Allowed Per 9 Innings Distribution vs. Comparable Players
Each box summarizes Mariano Rivera's seasonal Runs Allowed Per 9 Innings 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.
Mariano Rivera Runs Allowed Per 9 Innings — Season-by-Season Breakdown
Every season of Mariano Rivera's MLB career with Runs Allowed Per 9 Innings 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.
