How Trevor Williams's Hits Allowed Per 9 Innings Compares to Similar Players

Trevor Williams has posted a career Hits Allowed Per 9 Innings of 9.5, near the starting pitcher average of 8.98 — a profile that tracks closely with league norms. His strongest Hits Allowed Per 9 Innings season came in 2024, posting 6.89, below the starting pitcher average of 8.49 that year. The highest point came in 2016 at 13.5, well above the starting pitcher average of 8.99 that year. Production has slipped over the most recent seasons. The figure has moved from 11.1 in 2023 to 6.89 in 2024 and 11.54 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 tracked near league norms across 9 seasons.

Trevor Williams Lifetime Hits Allowed Per 9 Innings

Stats similar to Hits Allowed Per 9 Innings for Trevor Williams
Trevor Williams
Hits Allowed Per 9 Innings
Career9.5
Season Avg.9.5
162 Game Avg.9.5
More InfoSee More

Trevor Williams Hits Allowed Per 9 Innings Per Season

Trevor Williams's Hits Allowed 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, SP, North America, or players born in the same country — to see how he stacked up year by year.
Trevor Williams Hits Allowed Per 9 Innings per season line chart

Trevor Williams Hits Allowed Per 9 Innings by Team

Trevor Williams's career Hits Allowed Per 9 Innings totals broken down by each team he played for, ordered by when he first joined that team.
Trevor Williams career Hits Allowed Per 9 Innings by team bar chart

Trevor Williams Hits Allowed Per 9 Innings Year-Over-Year Change

A waterfall chart tracking how Trevor Williams's career Hits 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.
Trevor Williams Hits Allowed Per 9 Innings year-over-year waterfall chart

Trevor Williams Hits Allowed Per 9 Innings Distribution vs. Comparable Players

Each box summarizes Trevor Williams's seasonal Hits 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.
Trevor Williams Hits Allowed Per 9 Innings distribution box chart versus comparable players

Trevor Williams Hits Allowed Per 9 Innings — Season-by-Season Breakdown

Every season of Trevor Williams's MLB career with Hits 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.
Trevor Williams Hits Allowed Per 9 Innings season-by-season breakdown table