How John Marzano's Range Factor Compares to Similar Players

John Marzano posted a career Range Factor of 5.74, well above the league average of 3.1 — a mark that ranked among the best of his era. His best Range Factor season came in 1988, posting 8.1, well above the league average of 3.08 that year. The lowest point came in 1995 at 4.0, well above the league average of 2.94 that year. The Range Factor trended upward through the final seasons. The figure moved from 5.23 in 1996 to 5.51 in 1997 and 7.1 in 1998. The upward arc continued through his final campaign. Some season-to-season variance runs through the career line, but the career average remained well above league norms across 10 seasons.

John Marzano Lifetime Range Factor

Stats similar to Range Factor for John Marzano
John Marzano
Range Factor
Career5.744
Season Avg.5.744
162 Game Avg.5.744
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John Marzano Range Factor Per Season

John Marzano's Range Factor for each season of his MLB career, plotted against that year's league average. Switch between comparisons — American League, Hall of Fame, C, North America, or players born in the same country — to see how he stacked up year by year.
John Marzano Range Factor per season line chart

John Marzano Range Factor by Team

John Marzano's career Range Factor totals broken down by each team he played for, ordered by when he first joined that team.
John Marzano career Range Factor by team bar chart

John Marzano Range Factor Year-Over-Year Change

A waterfall chart tracking how John Marzano's career Range Factor 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.
John Marzano Range Factor year-over-year waterfall chart

John Marzano Range Factor Distribution vs. Comparable Players

Each box summarizes John Marzano's seasonal Range Factor 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.
John Marzano Range Factor distribution box chart versus comparable players

John Marzano Range Factor — Season-by-Season Breakdown

Every season of John Marzano's MLB career with Range Factor 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.
John Marzano Range Factor season-by-season breakdown table