How Zac Gallen's Win Percentage Compares to Similar Players
Zac Gallen has posted a career Win Percentage of 55.93, above the starting pitcher average of 50.35 — production that has kept him consistently ahead of most peers. His best Win Percentage season came in 2022, posting 75.0, well above the starting pitcher average of 49.35 that year. The lowest point came in 2021 at 28.57, well below the starting pitcher average of 49.19 that year. Production has slipped over the most recent seasons. The figure has moved from 65.38 in 2023 to 70.0 in 2024 and 46.43 in 2025. The slide has continued into 2025, with the production level an open question entering 2026. Significant season-to-season variance characterizes the Win Percentage profile — ranging from 28.57 to 75.0 — though the career average has remained above league norms.
Zac Gallen Lifetime Win Percentage
Stats similar to Win Percentage for Zac Gallen
| Zac Gallen
Win Percentage |
|---|
| Career | 55.93 |
| Season Avg. | 55.93 |
| 162 Game Avg. | 55.93 |
| More Info | See More |
Zac Gallen Win Percentage Per Season
Zac Gallen's Win Percentage 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.
Zac Gallen Win Percentage by Team
Zac Gallen's career Win Percentage totals broken down by each team he played for, ordered by when he first joined that team.
Zac Gallen Win Percentage Year-Over-Year Change
A waterfall chart tracking how Zac Gallen's career Win Percentage 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.
Zac Gallen Win Percentage Distribution vs. Comparable Players
Each box summarizes Zac Gallen's seasonal Win Percentage 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.
Zac Gallen Win Percentage — Season-by-Season Breakdown
Every season of Zac Gallen's MLB career with Win Percentage 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.
