How David Robertson's Batters Faced Per 9 Innings Compares to Similar Players
David Robertson has posted a career Batters Faced Per 9 Innings of 37.13 over 17 seasons, against a relief pitcher average of 38.81 — a measure of his rotation workload across the career. His best Batters Faced Per 9 Innings season came in 2019, posting 44.55, above the relief pitcher average of 38.94 that year. The lowest point came in 2017 at 34.77, near the relief pitcher average of 38.42 that year. The per-game workload has grown over recent seasons. The figure has moved from 37.06 in 2023 to 37.0 in 2024 and 39.74 in 2025. The workload profile has been consistent across 17 seasons, reflecting sustained availability at the top of the rotation.
David Robertson Lifetime Batters Faced Per 9 Innings
Stats similar to Batters Faced Per 9 Innings for David Robertson
| David Robertson Batters Faced Per 9 Innings |
|---|
| Career | 37.13 |
| Season Avg. | 37.13 |
| 162 Game Avg. | 37.13 |
| More Info | See More |
David Robertson Batters Faced Per 9 Innings Per Season
David Robertson's Batters Faced 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 Batters Faced Per 9 Innings by Team
David Robertson's career Batters Faced Per 9 Innings totals broken down by each team he played for, ordered by when he first joined that team.
David Robertson Batters Faced Per 9 Innings Year-Over-Year Change
A waterfall chart tracking how David Robertson's career Batters Faced 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 Batters Faced Per 9 Innings Distribution vs. Comparable Players
Each box summarizes David Robertson's seasonal Batters Faced 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 Batters Faced Per 9 Innings — Season-by-Season Breakdown
Every season of David Robertson's MLB career with Batters Faced 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.