How Mike Mason's Gross Production Average (GPA) Compares to Similar Players

Mike Mason posted a career Gross Production Average (GPA) of .191, well below the league average of .247 — production that significantly underperformed against league baselines. His best Gross Production Average (GPA) season came in 1987, posting .191, well below the league average of .256 that year. The lowest point came in 1987 at .191, well below the league average of .256 that year. Some season-to-season variance runs through the career line, but the career average remained well below league norms across 7 seasons.

Mike Mason Lifetime Gross Production Average (GPA)

Stats similar to Gross Production Average (GPA) for Mike Mason
Mike Mason
Gross Production Average (GPA)
Career0.191
Season Avg.0.191
162 Game Avg.0.191
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Mike Mason Gross Production Average (GPA) Per Season

Mike Mason'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, SP, North America, or players born in the same country — to see how he stacked up year by year.
Mike Mason Gross Production Average (GPA) per season line chart

Mike Mason Gross Production Average (GPA) by Team

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

Mike Mason Gross Production Average (GPA) Year-Over-Year Change

A waterfall chart tracking how Mike Mason'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.
Mike Mason Gross Production Average (GPA) year-over-year waterfall chart

Mike Mason Gross Production Average (GPA) Distribution vs. Comparable Players

Each box summarizes Mike Mason'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.
Mike Mason Gross Production Average (GPA) distribution box chart versus comparable players

Mike Mason Gross Production Average (GPA) — Season-by-Season Breakdown

Every season of Mike Mason'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.
Mike Mason Gross Production Average (GPA) season-by-season breakdown table