How Roy Lee Jackson's Earned Runs Compares to Similar Players
Roy Lee Jackson totaled 234 career Earned Runs, well above the relief pitcher average of 126.9 — production that significantly underperformed against league baselines. His strongest Earned Runs season came in 1979, posting 4, well below the relief pitcher average of 26.2 that year. The highest point came in 1983 at 46, well above the relief pitcher average of 28.1 that year. The Earned Runs trended upward through the final seasons. The Earned Runs total went from 34 in 1984 to 12 in 1985 and 25 in 1986, falling over the span. The upward arc continued through his final campaign. Significant season-to-season variance characterizes the Earned Runs profile — ranging from 4 to 46 — though the career average remained well below league norms.
Roy Lee Jackson Lifetime Earned Runs
Stats similar to Earned Runs for Roy Lee Jackson
| Roy Lee Jackson
Earned Runs |
|---|
| Career | 234 |
| Season Avg. | 23.4 |
| 162 Game Avg. | 135.39 |
| More Info | See More |
Roy Lee Jackson Earned Runs Per Season
Roy Lee Jackson's Earned Runs for each season of his MLB career, plotted against that year's league average. Switch between comparisons — American League, Hall of Fame, RP, North America, or players born in the same country — to see how he stacked up year by year.
Roy Lee Jackson Earned Runs by Team
Roy Lee Jackson's career Earned Runs totals broken down by each team he played for, ordered by when he first joined that team.
Roy Lee Jackson Cumulative Earned Runs — Career Progression
A running total of Roy Lee Jackson's career Earned Runs, plotted season by season. Each point shows the cumulative figure through the end of that year, making it easy to see when he reached key milestones and how his pace changed over time.
Roy Lee Jackson Earned Runs Distribution vs. Comparable Players
Each box summarizes Roy Lee Jackson's seasonal Earned Runs 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.
Roy Lee Jackson Earned Runs — Season-by-Season Breakdown
Every season of Roy Lee Jackson's MLB career with Earned Runs 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.
