How Roger Erickson's Range Factor Compares to Similar Players
Roger Erickson posted a career Range Factor of 1.23, well below the league average of 3.1 — production that significantly underperformed against league baselines. His best Range Factor season came in 1978, posting 1.54, well below the league average of 3.23 that year. The lowest point came in 1982 at .870, well below the league average of 3.22 that year. Production slipped through the final seasons. The figure moved from 1.5 in 1981 to .870 in 1982 and 1.2 in 1983. 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 6 seasons.
Roger Erickson Lifetime Range Factor
Stats similar to Range Factor for Roger Erickson
| Roger Erickson
Range Factor |
|---|
| Career | 1.23 |
| Season Avg. | 1.23 |
| 162 Game Avg. | 1.23 |
| More Info | See More |
Roger Erickson Range Factor Per Season
Roger Erickson'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, SP, North America, or players born in the same country — to see how he stacked up year by year.
Roger Erickson Range Factor by Team
Roger Erickson's career Range Factor totals broken down by each team he played for, ordered by when he first joined that team.
Roger Erickson Range Factor Year-Over-Year Change
A waterfall chart tracking how Roger Erickson'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.
Roger Erickson Range Factor Distribution vs. Comparable Players
Each box summarizes Roger Erickson'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.
Roger Erickson Range Factor — Season-by-Season Breakdown
Every season of Roger Erickson'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.
