How David Robertson's Strikeouts Per 9 Innings Compares to Similar Players

David Robertson has posted a career Strikeouts Per 9 Innings of 11.83, 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 2011, posting 13.5, well above the relief pitcher average of 7.69 that year. The lowest point came in 2019 at 8.1, below the relief pitcher average of 9.44 that year. The Strikeouts Per 9 Innings has trended upward over recent seasons. The figure has moved from 10.74 in 2023 to 12.38 in 2024 and 11.21 in 2025. The upward arc suggests continued forward momentum heading into 2026. Some season-to-season variance runs through the career line, but the career average has remained well above league norms across 17 seasons.

David Robertson Lifetime Strikeouts Per 9 Innings

Stats similar to Strikeouts Per 9 Innings for David Robertson
David Robertson
Strikeouts Per 9 Innings
Career11.83
Season Avg.11.83
162 Game Avg.11.83
More InfoSee More

David Robertson Strikeouts Per 9 Innings Per Season

David Robertson's Strikeouts Per 9 Innings 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.
David Robertson Strikeouts Per 9 Innings per season line chart

David Robertson Strikeouts Per 9 Innings by Team

David Robertson's career Strikeouts Per 9 Innings totals broken down by each team he played for, ordered by when he first joined that team.
David Robertson career Strikeouts Per 9 Innings by team bar chart

David Robertson Strikeouts Per 9 Innings Year-Over-Year Change

A waterfall chart tracking how David Robertson'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.
David Robertson Strikeouts Per 9 Innings year-over-year waterfall chart

David Robertson Strikeouts Per 9 Innings Distribution vs. Comparable Players

Each box summarizes David Robertson'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.
David Robertson Strikeouts Per 9 Innings distribution box chart versus comparable players

David Robertson Strikeouts Per 9 Innings — Season-by-Season Breakdown

Every season of David Robertson'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.
David Robertson Strikeouts Per 9 Innings season-by-season breakdown table