How Mark McGwire's Gross Production Average (GPA) Compares to Similar Players

Mark McGwire posted a career Gross Production Average (GPA) of .324, 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 2000, posting .404, well above the league average of .270 that year. The lowest point came in 1986 at .211, below the league average of .250 that year. Production slipped through the final seasons. The figure moved from .365 in 1999 to .404 in 2000 and .265 in 2001. The decline marked the closing chapter of the career. Some season-to-season variance runs through the career line, but the career average remained well above league norms across 15 seasons.

Mark McGwire Lifetime Gross Production Average (GPA)

Stats similar to Gross Production Average (GPA) for Mark McGwire
Mark McGwire
Gross Production Average (GPA)
Career0.324
Season Avg.0.324
162 Game Avg.0.324
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Mark McGwire Gross Production Average (GPA) Per Season

Mark McGwire'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, 1B, North America, or players born in the same country — to see how he stacked up year by year.
Mark McGwire Gross Production Average (GPA) per season line chart

Mark McGwire Gross Production Average (GPA) by Team

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

Mark McGwire Gross Production Average (GPA) Year-Over-Year Change

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

Mark McGwire Gross Production Average (GPA) Distribution vs. Comparable Players

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

Mark McGwire Gross Production Average (GPA) — Season-by-Season Breakdown

Every season of Mark McGwire'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.
Mark McGwire Gross Production Average (GPA) season-by-season breakdown table