How Jack Armstrong's Earned Runs Compares to Similar Players
Jack Armstrong totaled 400 career Earned Runs, well above the starting pitcher average of 332.0 — production that significantly underperformed against league baselines. His strongest Earned Runs season came in 1989, posting 22, well below the starting pitcher average of 50.2 that year. The highest point came in 1993 at 98, well above the starting pitcher average of 53.5 that year. Output was consistent through the final seasons. The Earned Runs total went from 85 in 1991 to 86 in 1992 and 98 in 1993, rising over the span. The consistent output characterized his final seasons. Significant season-to-season variance characterizes the Earned Runs profile — ranging from 22 to 98 — though the career average remained well below league norms.
Jack Armstrong Lifetime Earned Runs
Stats similar to Earned Runs for Jack Armstrong
| Jack Armstrong
Earned Runs |
|---|
| Career | 400 |
| Season Avg. | 57.14 |
| 162 Game Avg. | 426.32 |
| More Info | See More |
Jack Armstrong Earned Runs Per Season
Jack Armstrong's Earned Runs 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.
Jack Armstrong Earned Runs by Team
Jack Armstrong's career Earned Runs totals broken down by each team he played for, ordered by when he first joined that team.
Jack Armstrong Cumulative Earned Runs — Career Progression
A running total of Jack Armstrong'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.
Jack Armstrong Earned Runs Distribution vs. Comparable Players
Each box summarizes Jack Armstrong'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.
Jack Armstrong Earned Runs — Season-by-Season Breakdown
Every season of Jack Armstrong'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.
