How Francis Jackson's Earned Runs Compares to Similar Players

Francis Jackson totaled 4 career Earned Runs, well below the relief pitcher average of 126.9 — a mark that ranked among the best of his era. Across 2 seasons, the Earned Runs arc showed a promising start, with limited data making longer-term conclusions premature. With 2 seasons of data, the Earned Runs arc was above league norms — too limited for reliable trend analysis. Significant season-to-season variance characterizes the Earned Runs profile — ranging from 0 to 4 — though the career average remained well above league norms.

Francis Jackson Lifetime Earned Runs

Stats similar to Earned Runs for Francis Jackson
Francis Jackson
Earned Runs
Career4
Season Avg.2
162 Game Avg.324
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Francis Jackson Earned Runs Per Season

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

Francis Jackson Earned Runs by Team

Francis Jackson's career Earned Runs totals broken down by each team he played for, ordered by when he first joined that team.
Francis Jackson career Earned Runs by team bar chart

Francis Jackson Cumulative Earned Runs — Career Progression

A running total of Francis 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.
Francis Jackson Earned Runs year-over-year waterfall chart

Francis Jackson Earned Runs Distribution vs. Comparable Players

Each box summarizes Francis 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.
Francis Jackson Earned Runs distribution box chart versus comparable players

Francis Jackson Earned Runs — Season-by-Season Breakdown

Every season of Francis 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.
Francis Jackson Earned Runs season-by-season breakdown table