How Aroldis Chapman's Strikeouts Per 9 Innings Compares to Similar Players
Aroldis Chapman has posted a career Strikeouts Per 9 Innings of 14.58, well above the relief pitcher average of 6.36 — a mark that ranks among the best of his generation. His best Strikeouts Per 9 Innings season came in 2014, posting 17.67, well above the relief pitcher average of 8.37 that year. The lowest point came in 2022 at 10.65, above the relief pitcher average of 9.18 that year. Production has slipped over the most recent seasons. The figure has moved from 15.89 in 2023 to 14.3 in 2024 and 12.47 in 2025. The slide has continued into 2025, with the production level an open question entering 2026. Some season-to-season variance runs through the career line, but the career average has remained well above league norms across 15 seasons.
Aroldis Chapman Lifetime Strikeouts Per 9 Innings
Stats similar to Strikeouts Per 9 Innings for Aroldis Chapman
| Aroldis Chapman
Strikeouts Per 9 Innings |
|---|
| Career | 14.58 |
| Season Avg. | 14.58 |
| 162 Game Avg. | 14.58 |
| More Info | See More |
Aroldis Chapman Strikeouts Per 9 Innings Per Season
Aroldis Chapman's Strikeouts 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, Caribbean, or players born in the same country — to see how he stacked up year by year.
Aroldis Chapman Strikeouts Per 9 Innings by Team
Aroldis Chapman's career Strikeouts Per 9 Innings totals broken down by each team he played for, ordered by when he first joined that team.
Aroldis Chapman Strikeouts Per 9 Innings Year-Over-Year Change
A waterfall chart tracking how Aroldis Chapman's career Strikeouts 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.
Aroldis Chapman Strikeouts Per 9 Innings Distribution vs. Comparable Players
Each box summarizes Aroldis Chapman's seasonal Strikeouts 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.
Aroldis Chapman Strikeouts Per 9 Innings — Season-by-Season Breakdown
Every season of Aroldis Chapman's MLB career with Strikeouts 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.
