How Ernest Duff's Range Factor Compares to Similar Players

Ernest Duff posted a career Range Factor of 2.02, well below the league average of 3.47 — production that significantly underperformed against league baselines. Across 4 seasons, the Range Factor arc showed a disappointing start, with limited data making longer-term conclusions premature. With 4 seasons of data, the Range Factor arc was below league norms — too limited for reliable trend analysis. Significant season-to-season variance characterizes the Range Factor profile — ranging from .000 to 3.04 — though the career average remained well below league norms.

Ernest Duff Lifetime Range Factor

Stats similar to Range Factor for Ernest Duff
Ernest Duff
Range Factor
Career2.015
Season Avg.2.015
162 Game Avg.2.015
More InfoSee More

Ernest Duff Range Factor Per Season

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

Ernest Duff Range Factor by Team

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

Ernest Duff Range Factor Year-Over-Year Change

A waterfall chart tracking how Ernest Duff'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.
Ernest Duff Range Factor year-over-year waterfall chart

Ernest Duff Range Factor Distribution vs. Comparable Players

Each box summarizes Ernest Duff'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.
Ernest Duff Range Factor distribution box chart versus comparable players

Ernest Duff Range Factor — Season-by-Season Breakdown

Every season of Ernest Duff'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.
Ernest Duff Range Factor season-by-season breakdown table