How Dennis Leonard's Losses Compares to Similar Players

Dennis Leonard totaled 106 career Losses, well above the starting pitcher average of 43.6 — production that significantly underperformed against league baselines. His strongest Losses season came in 1985, posting 0, well below the starting pitcher average of 7.0 that year. The highest point came in 1978 at 17, well above the starting pitcher average of 7.7 that year. Production slipped through the final seasons. The Losses total went from 3 in 1983 to 0 in 1985 and 13 in 1986, rising over the span. The decline marked the closing chapter of the career. Significant season-to-season variance characterizes the Losses profile — ranging from 0 to 17 — though the career average remained well below league norms.

Dennis Leonard Lifetime Losses

Stats similar to Losses for Dennis Leonard
Dennis Leonard
Losses
Career106
Season Avg.8.83
162 Game Avg.55.04
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Dennis Leonard Losses Per Season

Dennis Leonard's Losses 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.
Dennis Leonard Losses per season line chart

Dennis Leonard Losses by Team

Dennis Leonard's career Losses totals broken down by each team he played for, ordered by when he first joined that team.
Dennis Leonard career Losses by team bar chart

Dennis Leonard Cumulative Losses — Career Progression

A running total of Dennis Leonard's career Losses, 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.
Dennis Leonard Losses year-over-year waterfall chart

Dennis Leonard Losses Distribution vs. Comparable Players

Each box summarizes Dennis Leonard's seasonal Losses 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.
Dennis Leonard Losses distribution box chart versus comparable players

Dennis Leonard Losses — Season-by-Season Breakdown

Every season of Dennis Leonard's MLB career with Losses 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.
Dennis Leonard Losses season-by-season breakdown table