How John Slappey's Earned Runs Compares to Similar Players

John Slappey totaled 5 career Earned Runs, well below the starting pitcher average of 332.0 — a mark that ranked among the best of his era. Across 1 season, the Earned Runs arc showed a promising start, with limited data making longer-term conclusions premature. With 1 season of data, the Earned Runs arc was above league norms — too limited for reliable trend analysis. Some season-to-season variance runs through the career line, but the career average remained well above league norms across 1 season.

John Slappey Lifetime Earned Runs

Stats similar to Earned Runs for John Slappey
John Slappey
Earned Runs
Career5
Season Avg.5
162 Game Avg.270
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John Slappey Earned Runs Per Season

John Slappey'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, SP, North America, or players born in the same country — to see how he stacked up year by year.
John Slappey Earned Runs per season line chart

John Slappey Earned Runs by Team

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

John Slappey Cumulative Earned Runs — Career Progression

A running total of John Slappey'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.
John Slappey Earned Runs year-over-year waterfall chart

John Slappey Earned Runs Distribution vs. Comparable Players

Each box summarizes John Slappey'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.
John Slappey Earned Runs distribution box chart versus comparable players

John Slappey Earned Runs — Season-by-Season Breakdown

Every season of John Slappey'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.
John Slappey Earned Runs season-by-season breakdown table