How Zack Britton's Gross Production Average (GPA) Compares to Similar Players

Zack Britton posted a career Gross Production Average (GPA) of .563, well above the league average of .247 — a mark that ranked among the best of his era. His best Gross Production Average (GPA) season came in 2011, posting .563, well above the league average of .246 that year. The lowest point came in 2011 at .563, well above the league average of .246 that year. Some season-to-season variance runs through the career line, but the career average remained well above league norms across 11 seasons.

Zack Britton Lifetime Gross Production Average (GPA)

Stats similar to Gross Production Average (GPA) for Zack Britton
Zack Britton
Gross Production Average (GPA)
Career0.563
Season Avg.0.563
162 Game Avg.0.563
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Zack Britton Gross Production Average (GPA) Per Season

Zack Britton's Gross Production Average (GPA) for each season of his MLB career, plotted against that year's league average. Switch between comparisons — American League, Hall of Fame, RP, North America, or players born in the same country — to see how he stacked up year by year.
Zack Britton Gross Production Average (GPA) per season line chart

Zack Britton Gross Production Average (GPA) by Team

Zack Britton's career Gross Production Average (GPA) totals broken down by each team he played for, ordered by when he first joined that team.
Zack Britton career Gross Production Average (GPA) by team bar chart

Zack Britton Gross Production Average (GPA) Year-Over-Year Change

A waterfall chart tracking how Zack Britton's career Gross Production Average (GPA) 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.
Zack Britton Gross Production Average (GPA) year-over-year waterfall chart

Zack Britton Gross Production Average (GPA) Distribution vs. Comparable Players

Each box summarizes Zack Britton's seasonal Gross Production Average (GPA) 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.
Zack Britton Gross Production Average (GPA) distribution box chart versus comparable players

Zack Britton Gross Production Average (GPA) — Season-by-Season Breakdown

Every season of Zack Britton's MLB career with Gross Production Average (GPA) 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.
Zack Britton Gross Production Average (GPA) season-by-season breakdown table