How Robin Roberts's Range Factor Compares to Similar Players

Robin Roberts posted a career Range Factor of 1.36, well below the league average of 3.19 — production that significantly underperformed against league baselines. His best Range Factor season came in 1950, posting 1.8, well below the league average of 3.72 that year. The lowest point came in 1949 at .767, well below the league average of 3.64 that year. Production slipped through the final seasons. The figure moved from 1.13 in 1964 to 1.17 in 1965 and 1.0 in 1966. 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 below league norms across 19 seasons.

Robin Roberts Lifetime Range Factor

Stats similar to Range Factor for Robin Roberts
Robin Roberts
Range Factor
Career1.357
Season Avg.1.357
162 Game Avg.1.357
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Robin Roberts Range Factor Per Season

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

Robin Roberts Range Factor by Team

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

Robin Roberts Range Factor Year-Over-Year Change

A waterfall chart tracking how Robin Roberts'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.
Robin Roberts Range Factor year-over-year waterfall chart

Robin Roberts Range Factor Distribution vs. Comparable Players

Each box summarizes Robin Roberts'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.
Robin Roberts Range Factor distribution box chart versus comparable players

Robin Roberts Range Factor — Season-by-Season Breakdown

Every season of Robin Roberts'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.
Robin Roberts Range Factor season-by-season breakdown table